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NSR database version of March 21, 2024.

Search: Author = M.Zielinska

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2023HE06      Phys.Lett. B 841, 137933 (2023)

S.Hellgartner, D.Mucher, K.Wimmer, V.Bildstein, J.L.Egido, R.Gernhauser, R.Krucken, A.K.Nowak, M.Zielinska, C.Bauer, M.L.L.Benito, S.Bottoni, H.DeWitte, J.Elseviers, D.Fedorov, F.Flavigny, A.Illana, M.Klintefjord, T.Kroll, R.Lutter, B.Marsh, R.Orlandi, J.Pakarinen, R.Raabe, E.Rapisarda, S.Reichert, P.Reiter, M.Scheck, M.Seidlitz, B.Siebeck, E.Siesling, T.Steinbach, T.Stora, M.Vermeulen, D.Voulot, N.Warr, F.J.C.Wenander

Axial and triaxial degrees of freedom in 72Zn

NUCLEAR REACTIONS 109Ag(72Zn, 72Zn'), E=2.85 MeV/nucleon, [secondary 72Zn beam from U(p, F), E=1.4 GeV primary beam using UCx target, resonant ionization laser ion Source, and High Resolution mass Separator at the REX-ISOLDE-CERN facility]; measured particle spectra using C-REX array of two annular double-sided silicon strip detectors (DSSSD), Doppler-corrected Eγ, Iγ, (particle)γ-coin, σ(θ, E(level)) using Miniball array of eight six-fold segmented HPGe triple cluster detectors for γ radiation. 72Zn; deduced levels, Jπ, E2 matrix elements, B(E2), spectroscopic quadrupole moments for the first two 2+ states, first excited 0+ and first 4+ states using GOSIA-GOSIA2 analysis in multiple safe Coulomb excitation; calculated potential energy surface (PES) in (β, γ) planes for the g.s., first excited 0+ and 2+ states, and the 2+ state of the γ band in the PNAMP approach. Comparison to shell-model calculations using jj44c and JUN45 effective interactions, and to mean-field generator coordinate method (GCM) calculations. Systematics and theoretical predictions of B(E2) values for 62,64,66,68,70,72,74,76,78,80Zn for the first 2+ and 4+ states.

doi: 10.1016/j.physletb.2023.137933
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2023ME07      Eur.Phys.J. A 59, 117 (2023)

D.Mengoni, D.Beaumel, W.N.Catford, M.Assie, D.Brugnara, F.Galtarossa, A.Gottardo, I.Zanon, M.Zielinska

Advances in nuclear structure via charged particle reactions with AGATA

NUCLEAR REACTIONS 2H(132Sn, p), E=10 MeV/nucleon; calculated σ(θ) for the low-lying states considering GRIT at SPES. Comparison with available data.

doi: 10.1140/epja/s10050-023-01026-3
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2023MO04      Phys.Lett. B 838, 137675 (2023)

L.Morrison, K.Hadynska-Klek, Zs.Podolyak, L.P.Gaffney, M.Zielinska, B.A.Brown, H.Grawe, P.D.Stevenson, T.Berry, A.Boukhari, M.Brunet, R.Canavan, R.Catherall, J.Cederkall, S.J.Colosimo, J.G.Cubiss, H.De Witte, D.T.Doherty, Ch.Fransen, G.Georgiev, E.Giannopoulos, M.Gorska, H.Hess, L.Kaya, T.Kroll, N.Lalovic, B.Marsh, Y.Martinez Palenzuela, G.O'Neill, J.Pakarinen, J.P.Ramos, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Rudigier, M.Siciliano, E.C.Simpson, J.Snall, P.Spagnoletti, S.Thiel, N.Warr, F.Wenander, R.Zidarova

Quadrupole and octupole collectivity in the semi-magic nucleus 20680Hg126

NUCLEAR REACTIONS 94Mo, 104Pd(206Hg, 206Hg'), E=4.195 MeV/nucleon; measured reaction products, Eγ, Iγ. 206Hg; deduced γ-ray energies, B(E2), B(E3). Comparison with shell model predictions, systematics. The HIE-ISOLDE facility at CERN.

doi: 10.1016/j.physletb.2023.137675
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2023PA40      Eur.Phys.J. A 59, 276 (2023)

G.Pasqualato, S.Ansari, J.S.Heines, V.Modamio, A.Gorgen, W.Korten, J.Ljungvall, E.Clement, J.Dudouet, A.Lemasson, T.R.Rodriguez, J.M.Allmond, T.Arici, K.S.Beckmann, A.M.Bruce, D.Doherty, A.Esmaylzadeh, E.R.Gamba, L.Gerhard, J.Gerl, G.Georgiev, D.P.Ivanova, J.Jolie, Y.-H.Kim, L.Knafla, A.Korichi, P.Koseoglou, M.Labiche, S.Lalkovski, T.Lauritsen, H.-J.Li, L.G.Pedersen, S.Pietri, D.Ralet, J.M.Regis, M.Rudigier, S.Saha, E.Sahin, S.Siem, P.Singh, P.-A.Soderstrom, C.Theisen, T.Tornyi, M.Vandebrouck, W.Witt, M.Zielinska, D.Barrientos, P.Bednarczyk, G.Benzoni, A.J.Boston, H.C.Boston, A.Bracco, B.Cederwall, M.Ciemala, G.de France, C.Domingo-Pardo, J.Eberth, A.Gadea, V.Gonzalez, A.Gottardo, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, S.M.Lenzi, S.Leoni, R.Menegazzo, D.Mengoni, C.Michelagnoli, D.R.Napoli, J.Nyberg, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, K.Rezynkina, M.D.Salsac, E.Sanchis, M.Senyigit, M.Siciliano, J.Simpson, D.Sohler, O.Stezowski, J.J.Valiente-Dobon, D.Verney

Shape evolution in even-mass 98-104Zr isotopes via lifetime measurements using the γγ coincidence technique

NUCLEAR REACTIONS 9Be(238U, X)98Zr/100Zr/102Zr/104Zr, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin. 104Mo, 102Nb; deduced γ-ray energies and relative intensities, J, π, level T1/2, B(E2), shape coexistence. Comparison with calculated values. The Differential Decay Curve Method (DDCM), the Recoil Distance Doppler Shift technique. The magnetic spectrometer VAMOS++, GANIL, the Orsay Universal Plunger system.

doi: 10.1140/epja/s10050-023-01172-8
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2023RO02      Phys.Rev.Lett. 130, 122502 (2023)

M.Rocchini, P.E.Garrett, M.Zielinska, S.M.Lenzi, D.D.Dao, F.Nowacki, V.Bildstein, A.D.MacLean, B.Olaizola, Z.T.Ahmed, C.Andreoiu, A.Babu, G.C.Ball, S.S.Bhattacharjee, H.Bidaman, C.Cheng, R.Coleman, I.Dillmann, A.B.Garnsworthy, S.Gillespie, C.J.Griffin, G.F.Grinyer, G.Hackman, M.Hanley, A.Illana, S.Jones, A.T.Laffoley, K.G.Leach, R.S.Lubna, J.McAfee, C.Natzke, S.Pannu, C.Paxman, C.Porzio, A.J.Radich, M.M.Rajabali, F.Sarazin, K.Schwarz, S.Shadrick, S.Sharma, J.Suh, C.E.Svensson, D.Yates, T.Zidar

First Evidence of Axial Shape Asymmetry and Configuration Coexistence in 74Zn: Suggestion for a Northern Extension of the N=40 Island of Inversion

RADIOACTIVITY 74Cu(β-) [from Ta(p, X)74Cu, E=490 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and relative intensities, energy levels, J, π, relative B(E2), ground state enhanced axial shape asymmetry (triaxiality). Comparison with available data, with shell-model calculations (SM) and shell-model calculations in a deformed Hartree-Fock basis (DNO-SM). The GRIFFIN γ-ray spectrometer, TRIUMF-ISAC1 facility.

doi: 10.1103/PhysRevLett.130.122502
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2023SM01      Eur.Phys.J. A 59, 166 (2023)

R.Smith, R.Menegazzo, C.Aufranc, N.Bez, I.Burrows, M.Cahoreau, G.Debras, L.Gibelin, A.Goasduff, A.Grant, T.Joannem, N.Karkour, M.Karolak, J.Kieffer, A.Lotode, B.Million, P.S.Morrall, L.Ramina, M.Rampazzo, A.Roger, J.Simpson, N.Solenne, O.Stezowski, S.Tzvetkov, L.Zago, M.Zielinska

AGATA: mechanics and infrastructures

doi: 10.1140/epja/s10050-023-01046-z
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2023ZA06      Phys.Rev.Lett. 131, 262501 (2023)

I.Zanon, E.Clement, A.Goasduff, J.Menendez, T.Miyagi, M.Assie, M.Ciemala, F.Flavigny, A.Lemasson, A.Matta, D.Ramos, M.Rejmund, L.Achouri, D.Ackermann, D.Barrientos, D.Beaumel, G.Benzoni, A.J.Boston, H.C.Boston, S.Bottoni, A.Bracco, D.Brugnara, G.de France, N.de Sereville, F.Delaunay, P.Desesquelles, F.Didierjean, C.Domingo-Prato, J.Dudouet, J.Eberth, D.Fernandez, C.Fougeres, A.Gadea, F.Galtarossa, V.Girard-Alcindor, V.Gonzales, A.Gottardo, F.Hammache, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, A.Kaskas, Y.H.Kim, A.Kusoglu, M.Labiche, S.Leblond, C.Lenain, S.M.Lenzi, S.Leoni, H.Li, J.Ljungvall, J.Lois-Fuentes, A.Lopez-Martens, A.Maj, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Million, D.R.Napoli, J.Nyberg, G.Pasqualato, Zs.Podolyak, A.Pullia, B.Quintana, F.Recchia, D.Regueira-Castro, P.Reiter, K.Rezynkina, J.S.Rojo, M.D.Salsac, E.Sanchis, M.Senyigit, M.Siciliano, D.Sohler, O.Stezowski, Ch.Theisen, A.Utepov, J.J.Valiente-Dobon, D.Verney, M.Zielinska

High-Precision Spectroscopy of 20O Benchmarking Ab Initio Calculations in Light Nuclei

NUCLEAR REACTIONS 2H(19O, p)20O, E=8 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T1/2, B(E2), B(M1). Comparison with theoretical USDB shell-model calculations and VS-IMSRG results obtained with three different Hamiltonians. Doppler shift attenuation method, the SPIRAL1 accelerator complex in GANIL.

doi: 10.1103/PhysRevLett.131.262501
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2022GA13      Prog.Part.Nucl.Phys. 124, 103931 (2022)

P.E.Garrett, M.Zielinska, E.Clement

An experimental view on shape coexistence in nuclei

NUCLEAR STRUCTURE 16O, 28Si, 30Mg, 40,42Ca, 56,58,60,62Ni, 70,72,74,76Ge, 72,74,76Kr, 74,76,78,80Sr, 94,96,98,100Zr, 92,94,96,98,100,102,104,106,108,110Mo, 94,96,98,100,102,104,106,108,110,112Ru, 102,104,106,108,110Pd, 102,104,106,108,110,112,114,116,118Cd, 102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Sn, 106,108,110,112,114,116,118,120,122,124,126,128,130,132,134Te, 176,178,180,182,184,186,188,190,192,194,196,198,200,202,204Hg, 180,182,184,186,188,190,192,194,196,198,200,202,204Pb, 190,192,194,196,198,200,202,204,206,208,210Po, 174,176,178,180,182,184,186,188,190,192,194,196,198,200,202Pt, 185,187Au, 187,189Tl; analyzed available data; deduced shape coexistence.

doi: 10.1016/j.ppnp.2021.103931
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2022GA33      Phys.Rev. C 106, 064307 (2022)

P.E.Garrett, M.Zielinska, A.Bergmaier, T.R.Rodriguez, D.Kalaydjieva, M.Siciliano, H.Bidaman, V.Bildstein, C.Burbadge, A.Diaz Varela, D.T.Doherty, T.Faestermann, K.Hadynska-Klek, R.Hertenberger, N.Keeley, A.Laffoley, A.D.MacLean, M.Mahgoub, A.J.Radich, M.Rocchini, P.Spagnoletti, S.Triambak, M.Vandebrouck, K.Wrzosek-Lipska

Coulomb excitation of 102Ru with 12C and 16O

NUCLEAR REACTIONS 102Ru(12C, 12C'), E=45, 53 MeV; 102Ru(16O, 16O'), E=56 MeV; measured reaction products, momentum of the scattered particles, angular distributions; deduced population of the excited states in 102Ru. 102Ru; deduced levels, J, π, B(E2), B(E3), E0 monopole transition strengths, transition matrix elements. GOSIA analysis of Coulomb excitation combined with FRESCO calculations. Comparison to calculations performed using the symmetry-conserving configuration-mixing (SCCM) method employing the Gogny-D1S energy-density functional. Systematics of experimentally obtained B(E3) values for Ru, Mo and Pd isotopes. Q3D magnetic spectrograph at at the Maier Leibnitz Laboratory.

doi: 10.1103/PhysRevC.106.064307
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2022GI05      Phys.Rev. C 105, L051301 (2022)

V.Girard Alcindor, A.Mercenne, I.Stefan, F.de Oliveira Santos, N.Michel, M.Ploszajczak, M.Assie, A.Lemasson, E.Clement, F.Flavigny, A.Matta, D.Ramos, M.Rejmund, J.Dudouet, D.Ackermann, P.Adsley, M.Assuncao, B.Bastin, D.Beaumel, G.Benzoni, R.Borcea, A.J.Boston, D.Brugnara, L.Caceres, B.Cederwall, I.Celikovic, V.Chudoba, M.Ciemala, J.Collado, F.C.L.Crespi, G.D'Agata, G.De France, F.Delaunay, C.Diget, C.Domingo-Pardo, J.Eberth, C.Fougeres, S.Franchoo, F.Galtarossa, A.Georgiadou, J.Gibelin, S.Giraud, V.Gonzalez, N.Goyal, A.Gottardo, J.Goupil, S.Grevy, V.Guimaraes, F.Hammache, L.J.Harkness-Brennan, H.Hess, N.Jovancevic, D.S.Judson Oliver, O.Kamalou, A.Kamenyero, J.Kiener, W.Korten, S.Koyama, M.Labiche, L.Lalanne, V.Lapoux, S.Leblond, A.Lefevre, C.Lenain, S.Leoni, H.Li, A.Lopez-Martens, A.Maj, I.Matea, R.Menegazzo, D.Mengoni, A.Meyer, B.Million, B.Monteagudo, P.Morfouace, J.Mrazek, M.Niikura, J.Piot, Zs.Podolyak, C.Portail, A.Pullia, B.Quintana, F.Recchia, P.Reiter, K.Rezynkina, T.Roger, J.S.Rojo, F.Rotaru, M.D.Salsac, A.M.Sanchez-Benitez, E.Sanchis, M.Senyigit, N.de Sereville, M.Siciliano, J.Simpson, D.Sohler, O.Sorlin, M.Stanoiu, C.Stodel, D.Suzuki, C.Theisen, D.Thisse, J.C.Thomas, P.Ujic, J.J.Valiente-Dobon, M.Zielinska

New narrow resonances observed in the unbound nucleus 15F

NUCLEAR REACTIONS 1H(14O, p), E=7.64 MeV/nucleon; 1H(14O, 2p), E=7.42 MeV/nucleon; measured reaction products Ep, Ip, Eγ, Iγ, protons angular distributions, pp-coin, γγ-coin, pγ-coin; deduced σ(θ), resonances properties of 14O+p system - energy, spin and width, spectroscopic factors, major amplitudes of channels. 15F; deduced levels, J, π, configurations. Data has been analyzed and interpreted in the framework of the Gamow shell model (GSM) with the coupled-channel representation (GSMCC). Beam provided by SPIRAL1 facility (GANIL). Detectors: MUST2 (telescope composed of DSSD and CsI array) for (14O, p) reaction and MUGAST array (MUST2+VAMOS magnetic spectrometer+AGATA HPGE-array).

doi: 10.1103/PhysRevC.105.L051301
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2022LI49      Phys.Rev. C 106, 034304 (2022)

X.Liu, B.Cederwall, C.Qi, R.A.Wyss, O.Aktas, A.Ertoprak, W.Zhang, E.Clement, G.de France, D.Ralet, A.Gadea, A.Goasduff, G.Jaworski, I.Kuti, B.M.Nyako, J.Nyberg, M.Palacz, R.Wadsworth, J.J.Valiente-Dobon, H.Al-Azri, A.Atac Nyberg, T.Back, G.de Angelis, M.Doncel, J.Dudouet, A.Gottardo, M.Jurado, J.Ljungvall, D.Mengoni, D.R.Napoli, C.M.Petrache, D.Sohler, J.Timar, D.Barrientos, P.Bednarczyk, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, I.Burrows, L.Charles, M.Ciemala, F.C.L.Crespi, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Eberth, N.Erduran, S.Erturk, V.Gonzalez, J.Goupil, H.Hess, T.Huyuk, A.Jungclaus, W.Korten, A.Lemasson, S.Leoni, A.Maj, R.Menegazzo, B.Million, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, J.Simpson, O.Stezowski, C.Theisen, M.Zielinska

Evidence for spherical-oblate shape coexistence in 87Tc

NUCLEAR REACTIONS 54Fe(36Ar, 2np)87Tc, E=115 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using AGATA array with 11 triple-cluster segmented HPGe detectors, DIAMANT array with 60 CsI(Tl) scintillators for protons, NEDA and NeutronWall arrays for neutrons with 54 and 42 organic liquid scintillator detectors at the GANIL facility. 87Tc; deduced levels, J, π, band-like structure, g.s. Jπ, intensity ratios in different channels, configurations, spherical behavior. Comparison with shell model and total Routhian surface calculations, and with their previous results reported in 2021Li40 (Phys. Rev. C 104, L021302).

doi: 10.1103/PhysRevC.106.034304
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2022PE15      Phys.Rev.Lett. 129, 112501 (2022)

R.M.Perez-Vidal, A.Gadea, C.Domingo-Pardo, A.Gargano, J.J.Valiente-Dobon, E.Clement, A.Lemasson, L.Coraggio, M.Siciliano, S.Szilner, M.Bast, T.Braunroth, J.Collado, A.Corina, A.Dewald, M.Doncel, J.Dudouet, G.de France, C.Fransen, V.Gonzalez, T.Huyuk, B.Jacquot, P.R.John, A.Jungclaus, Y.H.Kim, A.Korichi, M.Labiche, S.Lenzi, H.Li, J.Ljungvall, A.Lopez-Martens, D.Mengoni, C.Michelagnoli, C.Muller-Gatermann, D.R.Napoli, A.Navin, B.Quintana, D.Ramos, M.Rejmund, E.Sanchis, J.Simpson, O.Stezowski, D.Wilmsen, M.Zielinska, A.J.Boston, D.Barrientos, P.Bednarczyk, G.Benzoni, B.Birkenbach, H.C.Boston, A.Bracco, B.Cederwall, D.M.Cullen, F.Didierjean, J.Eberth, A.Gottardo, J.Goupil, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Kaskas, W.Korten, S.Leoni, R.Menegazzo, B.Million, J.Nyberg, Zs.Podolyak, A.Pullia, D.Ralet, F.Recchia, P.Reiter, K.Rezynkina, M.D.Salsac, M.Senyigit, D.Sohler, C.Theisen, D.Verney

Evidence of Partial Seniority Conservation in the πg9/2 Shell for the N=50 Isotones

NUCLEAR REACTIONS 92Mo(92Mo, X)90Zr/92Mo/94Ru, E=717 MeV; measured reaction products, Eγ, Iγ. 93Tc, 94Ru, 94Mo; deduced level energies, J, π, lifetimes, B(E2). Multinucleon transfer (MNT) reactions, the Grand Acce'le'rateur d'Ions Lourds (GANIL) laboratory, in Caen (France). The Advanced GAmma Tracking Array (AGATA). The Recoil Distance Doppler Shift (RDDS) technique.

doi: 10.1103/PhysRevLett.129.112501
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2022SP01      Phys.Rev. C 105, 024323 (2022)

P.Spagnoletti, P.A.Butler, L.P.Gaffney, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, J.Konki, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Scheck, M.Seidlitz, T.M.Shneidman, B.Siebeck, J.Sinclair, J.F.Smith, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, K.Wrzosek-Lipska, N.Warr, M.Zielinska

Coulomb excitation of 222Rn

NUCLEAR REACTIONS 120Sn, 60Ni(222Rn, 222Rn'), E=4.23 MeV/nucleon [secondary 222Rn beam produced in Th(p, X), E=1.4 GeV reaction]; measured reaction products, Eγ, Iγ, (particle)γ-coin. 222Rn; deduced levels, J, π, E1, E2 and E3 matrix elements, high-spin levels, bands, intrinsic quadrupole and octupole moments. GOSIA analysis of Coulomb excitation cross sections. Miniball HPGe array at HIE-ISOLDE. Systematics of quadrupole moments and other parameters in even-A Ra and Rn isotopes.

doi: 10.1103/PhysRevC.105.024323
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2021CI02      Eur.Phys.J. A 57, 156 (2021)

M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.De France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.-H.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska

Accessing tens-to-hundreds femtoseconds nuclear state lifetimes with low-energy binary heavy-ion reactions

NUCLEAR REACTIONS 181Ta(18O, X)17O/18O/19O/20O/24Mg/13C, E=126 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, lifetimes using a novel Monte Carlo technique. Doppler-shift, AGATA tracking array at GANIL.

doi: 10.1140/epja/s10050-021-00451-6
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2021FE09      Phys.Rev. C 104, 054316 (2021)

A.Fernandez, A.Jungclaus, P.Golubev, D.Rudolph, L.G.Sarmiento, A.Gargano, H.Naidja, A.Astier, E.Dupont, A.Gadea, E.Nacher, A.Perea, K.Wimmer, E.Clement, G.Fremont, J.Goupil, C.Houarner, B.Jacquot, A.Korichi, A.Lemasson, H.J.Li, J.Ljungvall, L.Menager, R.M.Perez-Vidal, C.M.Petrache, D.Ralet, J.A.Ropert, F.Saillant, A.Saamark-Roth, G.S.Simpson, C.Spitaels, M.Zielinska, S.Ansari, J.Dudouet, A.Illana, M.Jurado, D.Kocheva, N.Lalovic, Ch.Lorenz, B.Quintana, G.Rainovski, N.Redon, G.Tocabens, D.Barrientos, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, A.Bracco, M.Ciemala, J.Collado, D.M.Cullen, C.Domingo-Pardo, J.Eberth, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, D.S.Judson, W.Korten, S.Leoni, A.Maj, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Million, D.R.Napoli, J.Nyberg, Zs.Podolyak, A.Pullia, P.Reiter, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon

Reinterpretation of excited states in 212Po: Shell-model multiplets rather than α-cluster states

NUCLEAR REACTIONS 12C(208Pb, 212Po)8Be, E=1187 MeV; measured Eγ, Iγ, (particle)γ-coin, (particle)γγ-coin, γγ(linear polarization) using 35 36-fold segmented AGATA crystals arranged in 12 triple clusters for γ detection and double-sided silicon strip detector (DSSSD) for particle detection. 212Po; deduced levels, J, π, multipolarities, configurations, exclusive reaction cross sections. Comparisons with shell-model calculations, with structure of 148Gd, and with earlier experimental results. Discussed previous interpretation as α-cluster states.

NUCLEAR STRUCTURE 212Po; calculated levels, J, π, configurations, γ-ray branching ratios, B(M1), B(E2), wave-function decomposition for the yrast and yrare states using shell model with KHPE and H208 interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.054316
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2021GO26      Eur.Phys.J. A 57, 321 (2021)

T.Goigoux, Ch.Theisen, B.Sulignano, M.Airiau, K.Auranen, H.Badran, R.Briselet, T.Calverley, D.Cox, F.Dechery, F.Defranchi Bisso, A.Drouart, Z.Favier, B.Gall, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, R.-D.Herzberg, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Leino, A.Lightfoot, A.Lopez-Martens, A.Mistry, P.Nieminen, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, E.Rey-Herme, J.Rubert, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo, M.Vandebrouck, A.Ward, M.Zielinska, P.Jachimowicz, M.Kowal, J.Skalski

First observation of high-K isomeric states in 249Md and 251Md

RADIOACTIVITY 249,251Md(IT) [from 203Tl(48Ca, 2n)249Md, E=219 MeV; 205Tl(48Ca, 2n)251Md, E=218 MeV]; measured decay products, Eα, Iα, Eβ, Iβ, Eγ, Iγ, β-α-coin.; deduced level energies, J, π, 3 quasi-particle high-K states, isomeric states T1/2. Comparison theoretical calculations. SAGE spectrometer, the K130 cyclotron at the Accelerator Laboratory of the University of Jyvaskyla.

doi: 10.1140/epja/s10050-021-00631-4
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2021LI40      Phys.Rev. C 104, L021302 (2021)

X.Liu, B.Cederwall, C.Qi, R.A.Wyss, O.Aktas, A.Ertoprak, W.Zhang, E.Clement, G.de France, D.Ralet, A.Gadea, A.Goasduff, G.Jaworski, I.Kuti, B.M.Nyako, J.Nyberg, M.Palacz, R.Wadsworth, J.J.Valiente-Dobon, H.Al-Azri, A.Atac Nyberg, T.Back, G.de Angelis, M.Doncel, J.Dudouet, A.Gottardo, M.Jurado, J.Ljungvall, D.Mengoni, D.R.Napoli, C.M.Petrache, D.Sohler, J.Timar, D.Barrientos, P.Bednarczyk, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, I.Burrows, L.Charles, M.Ciemala, F.C.L.Crespi, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Eberth, N.Erduran, S.Erturk, V.Gonzalez, J.Goupil, H.Hess, T.Huyuk, A.Jungclaus, W.Korten, A.Lemasson, S.Leoni, A.Maj, R.Menegazzo, B.Million, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, J.Simpson, O.Stezowski, C.Theisen, M.Zielinska

Evidence for enhanced neutron-proton correlations from the level structure of the N = Z + 1 nucleus 8743Tc44

NUCLEAR REACTIONS 54Fe(36Ar, 2np)87Tc, E=115 MeV; measured Eγ, Iγ, charged particles, (particle)g- and γγ-coin using AGATA array of 11 triple-cluster segmented HPGe detectors for γ rays and DIAMANT array of 60 CsI(Tl) scintillators for particles at the GANIL accelerator complex. 87Tc; deduced high-spin levels, J, π, rotational band, kinematic moments of inertia, alignment. Comparison with the structures of neighboring odd-mass N=44 and N=43 isotonic chains, and with shell-model calculations. Systematics of positive-parity yrast states in 83Y, 85Nb, 87,89,91,93Tc.

doi: 10.1103/PhysRevC.104.L021302
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2021RO01      Nucl.Instrum.Methods Phys.Res. B486, 68 (2021)

M.Rocchini, M.Chiari, E.Pasquali, A.Nannini, K.Hadynska-Klek, P.Sona, D.Bazzacco, G.Benzoni, F.Camera, C.Czelusniak, D.T.Doherty, A.Goasduff, P.R.John, M.Komorowska, N.Marchini, M.Matejska-Minda, B.Melon, D.Mengoni, P.J.Napiorkowski, M.Ottanelli, A.Perego, F.Recchia, M.Siciliano, L.Sottili, D.Testov, J.J.Valiente-Dobon, K.Wrzosek-Lipska, M.Zielinska

Applications of Rutherford backscattering analysis methods to nuclear physics experiments

NUCLEAR REACTIONS C, O, 208Pb(66Zn, 66Zn'), E=240 MeV; measured reaction products, Eγ, Iγ. 66Zn; deduced energy spectra, impact of target thickness in a low-energy Coulomb excitation using RBS analysis methods. SPIDER detector.

doi: 10.1016/j.nimb.2020.09.021
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2021RO04      Phys.Rev. C 103, 014311 (2021)

M.Rocchini, K.Hadynska-Klek, A.Nannini, A.Goasduff, M.Zielinska, D.Testov, T.R.Rodriguez, A.Gargano, F.Nowacki, G.De Gregorio, H.Naidja, P.Sona, J.J.Valiente-Dobon, D.Mengoni, P.R.John, D.Bazzacco, G.Benzoni, A.Boso, P.Cocconi, M.Chiari, D.T.Doherty, F.Galtarossa, G.Jaworski, M.Komorowska, N.Marchini, M.Matejska-Minda, B.Melon, R.Menegazzo, P.J.Napiorkowski, D.Napoli, M.Ottanelli, A.Perego, L.Ramina, M.Rampazzo, F.Recchia, S.Riccetto, D.Rosso, M.Siciliano

Onset of triaxial deformation in 66Zn and properties of its first excited 0+ state studied by means of Coulomb excitation

NUCLEAR REACTIONS 208Pb(66Zn, 66Zn'), E=240 MeV from the XTU-Tandem accelerator of INFN-Legnaro; measured Eγ, Iγ, scattered 66Zn particles, (66Zn)γ-coin, γ-ray yields, γ(θ), (66Zn)γ(θ) in safe Coulomb excitation using GALILEO spectrometer for γ radiation, and SPIDER array for 66Zn particles. 66Zn; deduced levels, J, π, Coulomb excitation yields, reduced E2, E3, and M1 matrix elements using GOSIA least-squares fitting analysis, B(E2), B(E3), B(M1), spectroscopic quadrupole moments for the first and second 2+ and the first 4+ states, quadrupole shape invariants and deformation parameters; calculated collective wave function contours for selected states in 66Zn, and potential energy surfaces for 64,66,68,70Zn in (β2, γ) plane. Comparison with extensive beyond-mean-field (BMF) and large-scale shell-model calculations with a variety of model spaces and interactions, and with results of previous experimental results. Systematics of low-lying states in 62,64,66,68,70Zn.

doi: 10.1103/PhysRevC.103.014311
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2021SI09      Eur.Phys.J. A 57, 64 (2021)

M.Siciliano, J.Ljungvall, A.Goasduff, A.Lopez-Martens, M.Zielinska, for the AGATA and OASIS Collaborations

Position uncertainties of AGATA pulse-shape analysis estimated via the bootstrapping method

doi: 10.1140/epja/s10050-021-00385-z
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2021WI01      Phys.Rev.Lett. 126, 072501 (2021)

K.Wimmer, W.Korten, P.Doornenbal, T.Arici, P.Aguilera, A.Algora, T.Ando, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, J.-P.Delaroche, D.T.Doherty, J.Gerl, R.Gernhauser, M.Girod, D.Jenkins, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, A.Obertelli, J.Libert, D.Lubos, T.R.Rodriguez, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, R.Wadsworth, M.Zielinska

Shape Changes in the Mirror Nuclei 70Kr and 70Se

NUCLEAR REACTIONS 197Au, 209Bi(70Kr, 70Kr'), (70Br, 70Br'), (70Se, 70Se'), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ. 70Kr, 70Br, 70Se; deduced γ-ray energies, σ, nuclear deformation lengths, B(E2) values. Comparison with available data.

doi: 10.1103/PhysRevLett.126.072501
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2021ZI01      Phys.Rev. C 104, L041301 (2021)

S.Ziliani, M.Ciemala, F.C.L.Crespi, S.Leoni, B.Fornal, T.Suzuki, T.Otsuka, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska

Complete set of bound negative-parity states in the neutron-rich nucleus 18N

NUCLEAR REACTIONS 181Ta(18O, X)18N, E=126 MeV; measured reaction products, A/Q versus ion charge Q identification plot using VAMOS++ spectrometer at GANIL accelerator facility, Doppler-corrected Eγ, Iγ, γγ-coin using the γ-tracking array AGATA. 18N; deduced levels, J, π, configurations. Comparison with shell-model calculations using YSOX interactions, and with previous experimental data.

NUCLEAR STRUCTURE 16,18N; calculated levels, J, π using shell-model with YSOX interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.L041301
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2020BR08      Phys.Rev. C 102, 014307 (2020)

R.Briselet, Ch.Theisen, B.Sulignano, M.Airiau, K.Auranen, D.M.Cox, F.Dechery, A.Drouart, Z.Favier, B.Gall, T.Goigoux, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, R.-D.Herzberg, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Leino, A.Lopez-Martens, A.Mistry, P.Nieminen, J.Pakarinen, P.Papadakis, P.Peura, E.Rey-Herme, P.Rahkila, J.Rubert, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo, M.Vandebrouck, A.Ward, M.Zielinska, B.Bally, M.Bender, W.Ryssens

In-beam γ-ray and electron spectroscopy of 249, 251Md

NUCLEAR REACTIONS 203,205Tl(48Ca, 2n), E=218 MeV; measured Eγ, Iγ, E(ce), I(ce), γγ-coin, and γ(ce)-coin using the RITU gas-filled recoil separator, GREAT spectrometer, and SAGE array at the University of Jyvaskyla Accelerator Laboratory. Recoil-decay tagging method. 249,251Md; deduced high-spin levels, J, π, K- and L-conversion coefficients, multipolarities, rotational bands, Nilsson configurations, octupole correlations. Comparison with Skyrme-Hartree-Fock-Bogoliubov theoretical calculations. 251Md, 255Lr; discussed identical transitions and bands.

doi: 10.1103/PhysRevC.102.014307
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2020BU01      Phys.Rev.Lett. 124, 042503 (2020)

P.A.Butler, L.P.Gaffney, P.Spagnoletti, K.Abrahams, M.Bowry, J.Cederkall, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, J.Konki, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Scheck, M.Seidlitz, T.M.Shneidman, B.Siebeck, J.Sinclair, J.F.Smith, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska

Evolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive 222Ra and 228Ra Beams

NUCLEAR REACTIONS 60Ni, 120Sn(222Ra, 222Ra'), (228Ra, 228Ra'), E=4.31 MeV/nucleon; measured reaction products, Eγ, Iγ. 222,228Ra; deduced γ-ray energies, dipole moments, quadrupole moments, E2 and E3 matrix elements, octupole collectivity.

doi: 10.1103/PhysRevLett.124.042503
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2020BU20      Nat. Commun. 11, 3560 (2020)

P.A.Butler, L.P.Gaffney, P.Spagnoletti, J.Konki, M.Scheck, J.F.Smith, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, T.M.Shneidman, B.Siebeck, M.Seidlitz, J.Sinclair, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska

Addendum: The observation of vibrating pear-shapes in radon nuclei

NUCLEAR REACTIONS 120Sn(222Rn, 222Rn'), E=4.23 MeV/nucleon; 120Sn(224Rn, 224Rn'), (226Rn, 226Rn'), E=5.08 MeV/nucleon; analyzed available data with updated computer codes. 222,224,226Rn; deduced additional γ-ray energies for high-spin transitions, J, π, level schemes, octupole-vibrational bands. Comparison with systematics of radon isotopes. Root analysis files.

doi: 10.1038/s41467-020-17309-y
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2020CE01      Phys.Rev.Lett. 124, 062501 (2020)

B.Cederwall, X.Liu, O.Aktas, A.Ertoprak, W.Zhang, C.Qi, E.Clement, G.de France, D.Ralet, A.Gadea, A.Goasduff, G.Jaworski, I.Kuti, B.M.Nyako, J.Nyberg, M.Palacz, R.Wadsworth, J.J.Valiente-Dobon, H.Al-Azri, A.Atac Nyberg, T.Back, G.de Angelis, M.Doncel, J.Dudouet, A.Gottardo, M.Jurado, J.Ljungvall, D.Mengoni, D.R.Napoli, C.M.Petrache, D.Sohler, J.Timar, D.Barrientos, P.Bednarczyk, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, I.Burrows, L.Charles, M.Ciemala, F.C.L.Crespi, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Eberth, N.Erduran, S.Erturk, V.Gonzalez, J.Goupil, H.Hess, T.Huyuk, A.Jungclaus, W.Korten, A.Lemasson, S.Leoni, A.Maj, R.Menegazzo, B.Million, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, J.Simpson, O.Stezowski, Ch.Theisen, M.Zielinska

Isospin Properties of Nuclear Pair Correlations from the Level Structure of the Self-Conjugate Nucleus 88Ru

NUCLEAR REACTIONS 54Fe(36Ar, 2n), E=115 MeV; measured Eγ, Iγ, (neutron)γ-, (charged particle)γ-, γγ-coin. 88Ru; deduced levels, J, π, yrast band, moment of inertia. Comparison with neighboring isotopes and cranked shell model calculations. AGATA, DIAMANT, and NEDA arrays.

doi: 10.1103/PhysRevLett.124.062501
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2020CI02      Phys.Rev. C 101, 021303 (2020)

M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska, A.Atac, D.Barrientos, B.Birkenbach, A.J.Boston, B.Cederwall, L.Charles, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, V.Gonzalez, J.Goupil, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, R.Menegazzo, D.Mengoni, J.Nyberg, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon, J.D.Holt, J.Menendez, A.Schwenk, J.Simonis

Testing ab initio nuclear structure in neutron-rich nuclei: Lifetime measurements of second 2+ state in 16C and 20O

NUCLEAR REACTIONS 181Ta(18O, X)16C/19O/20O, E=7.0 MeV/nucleon; measured reaction products, Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler-shift attenuation method and Monte Carlo simulations using AGATA array, coupled to the PARIS scintillator array and to the VAMOS++ magnetic spectrometer at GANIL. 16C, 19,20O; deduced levels, J, π. Comparison with predictions of the valence-space in-medium similarity renormalization group (VS-IMSRG) and the no-core shell model (NCSM) with NN and 3N interactions.

doi: 10.1103/PhysRevC.101.021303
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2020KA02      Phys.Rev. C 101, 011301 (2020)

J.Kallunkathariyil, B.Sulignano, P.T.Greenlees, J.Khuyagbaatar, Ch.Theisen, K.Auranen, H.Badran, F.Bisso, P.Brionnet, R.Briselet, A.Drouart, Z.Favier, T.Goigoux, T.Grahn, K.Hauschild, A.Herzan, F.P.Hessberger, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Leino, A.Lightfoot, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, K.Rezynkina, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, M.Siciliano, J.Sorri, S.Stolze, A.I.Svirikhin, J.Uusitalo, M.Vandebrouck, A.Ward, C.Wraith, M.Zielinska

Stability of the heaviest elements: K isomer in 250No

NUCLEAR REACTIONS 204Pb(48Ca, 2n)250No, E=218.0 MeV; measured evaporation residues (ER), fission (SF) events, ER-electron-SF correlated events, γ(electron)-coin, half-lives of an isomer and the ground state using RITU separator and GREAT spectrometer at the University of Jyvaskyla accelerator facility. 250No; deduced level, isomer, decay modes of the isomer and the ground state. Systematics of energies of isomers in N=148 isomers 242Pu, 244Cm, 246Cf, 248Fm, 250No. Relevance to the island of stability of superheavy elements.

doi: 10.1103/PhysRevC.101.011301
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2020MI03      Acta Phys.Pol. B51, 837 (2020)

T.Milanovic, I.Celikovic, C.Michelagnoli, G.De France, A.Boso, T.Braunroth, E.Clement, A.Dewald, G.Georgiev, E.Ideguchi, B.Jacquot, W.Krolas, D.Napoli, N.Lalovic, K.Y.Lee, A.Lemasson, H.Li, J.Ljungvall, A.Navin, A.Nori, R.Perez-Vidal, M.Rejmund, P.Ujic, D.Wilmsen, Y.Yaamoto, M.Zielinska

Lifetime Measurements of Low-lying States in 73Ga and 70, 72, 74Zn Isotopes

doi: 10.5506/APhysPolB.51.837
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2020MO35      Phys.Rev. C 102, 054304 (2020)

L.Morrison, K.Hadynska-Klek, Zs.Podolyak, D.T.Doherty, L.P.Gaffney, L.Kaya, L.Prochniak, J.Samorajczyk-Pysk, J.Srebrny, T.Berry, A.Boukhari, M.Brunet, R.Canavan, R.Catherall, S.J.Colosimo, J.G.Cubiss, H.De Witte, Ch.Fransen, E.Giannopoulos, H.Hess, T.Kroll, N.Lalovic, B.Marsh, Y.Martinez Palenzuela, P.J.Napiorkowski, G.O'Neill, J.Pakarinen, J.P.Ramos, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Rudigier, M.Siciliano, J.Snall, P.Spagnoletti, S.Thiel, N.Warr, F.Wenander, R.Zidarova, M.Zielinska

Quadrupole deformation of 130Xe measured in a Coulomb-excitation experiment

NUCLEAR REACTIONS 94Mo(130Xe, 130Xe'), E=4.195 MeV/nucleon from HIE-ISOLDE-CERN linear accelerator; measured projectile-and target-like particles using a segmented double-sided silicon strip detector (DSSSD), Eγ, Iγ, γ(θ) (particle)γ- and (particle)(particle)γ-coin using Miniball array of 23 HPGe detectors. Measured Coulomb excitation yields analyzed using GOSIA least-squares fitting code. 130Xe; deduced levels, J, π, E2 and M1 matrix elements, B(E2), B(M1), spectroscopic quadrupole moments (Q) for the first 2+ and 4+ states and second 2+ state, and shape parameters for the 0+ ground state. Comparison with previous experimental data, and with several theoretical model calculations.

NUCLEAR STRUCTURE 130Xe; calculated levels, J, π using general Bohr Hamiltonian with the mean-field theory and Universal Nuclear Energy Density Functional (UNEDF0), shell-model with the GCN50:82 and SN100PN interactions, Davydov-Filippov and γ-soft phenomenological models; calculated quadrupole shape invariants for 0+ ground state and the first 2+ state using general Bohr Hamiltonian (GBH) model. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.054304
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2020NA01      Phys.Scr. 95, 24005 (2020)

A.Nannini, M.Rocchini, K.Hadynska-Klek, N.Marchini, D.T.Doherty, M.Zielinska, M.Siciliano, A.Illana, M.Saxena, D.Bazzacco, G.Benzoni, F.Camera, M.Chiari, P.R.John, A.Goasduff, M.Komorowska, M .Matejska-Minda, D.Mengoni, P.Napiorkowski, D.R.Napoli, M.Ottanelli, A.Perego, F.Recchia, P.Sona, D.Testov, J.J .Valiente-Dobon

Coulomb excitation studies at LNL with the SPIDER-GALILEO set-up

NUCLEAR REACTIONS 208Pb(66Zn, 66Zn'), E=240 MeV; 208Pb(94Zr, 94Zr'), E=370 MeV; 116Sn(58Ni, 58Ni'), E=180 MeV; measured reaction products, Eγ, Iγ. 66Zn, 94Zr; deduced γ-ray energies, J, π, B(E2).

doi: 10.1088/1402-4896/ab440f
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2020RO06      Nucl.Instrum.Methods Phys.Res. A971, 164030 (2020)

M.Rocchini, K.Hadynska-Klek, A.Nannini, J.J.Valiente-Dobon, A.Goasduff, D.Testov, D.Mengoni, P.R.John, M.Siciliano, B.Melon, P.Sona, M.Ottanelli, A.Perego, M.Chiari, M.Zielinska, D.Bazzacco, G.Benzoni, S.Bettarini, M.Brianzi, F.Camera, P.Cocconi, C.Czelusniak, D.T.Doherty, M.Komorowska, N.Marchini, M.Matejska-Minda, P.J.Napiorkowski, E.Pasquali, L.Ramina, M.Rampazzo, F.Recchia, D.Rosso, L.Sottili, A.Tredici

SPIDER: A Silicon PIe DEtectoR for low-energy Coulomb-excitation measurements

NUCLEAR REACTIONS 208Pb(66Zn, 66Zn'), E=240 MeV; measured reaction products, Eγ, Iγ. 66Zn; deduced γ-ray energies, J, π, spectroscopic quadrupole moment for the first excited state. Preliminary results.

doi: 10.1016/j.nima.2020.164030
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2020SI10      Phys.Lett. B 806, 135474 (2020)

M.Siciliano, J.J.Valiente-Dobon, A.Goasduff, F.Nowacki, A.P.Zuker, D.Bazzacco, A.Lopez-Martens, E.Clement, G.Benzoni, T.Braunroth, F.C.L.Crespi, N.Cieplicka-Orynczak, M.Doncel, S.Erturk, G.de France, C.Fransen, A.Gadea, G.Georgiev, A.Goldkuhle, U.Jakobsson, G.Jaworski, P.R.John, I.Kuti, A.Lemasson, T.Marchi, D.Mengoni, C.Michelagnoli, T.Mijatovic, C.Muller-Gatermann, D.R.Napoli, J.Nyberg, M.Palacz, R.M.Perez-Vidal, B.Saygi, D.Sohler, S.Szilner, D.Testov, M.Zielinska, D.Barrientos, B.Birkenbach, H.C.Boston, A.J.Boston, B.Cederwall, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, F.J.Egea Canet, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, S.Leoni, H.Li, A.Maj, R.Menegazzo, B.Million, A.Pullia, F.Recchia, P.Reiter, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen

Pairing-quadrupole interplay in the neutron-deficient tin nuclei: First lifetime measurements of low-lying states in 106, 108Sn

NUCLEAR REACTIONS 92Mo(106Cd, X)106Sn/108Sn, E=770 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, lifetimes, B(E2), B(E4). Differential plunger device.

doi: 10.1016/j.physletb.2020.135474
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2020SI13      Phys.Rev. C 102, 014318 (2020)

M.Siciliano, I.Zanon, A.Goasduff, P.R.John, T.R.Rodriguez, S.Peru, I.Deloncle, J.Libert, M.Zielinska, D.Ashad, D.Bazzacco, G.Benzoni, B.Birkenbach, A.Boso, T.Braunroth, M.Cicerchia, N.Cieplicka-Orynczak, G.Colucci, F.Davide, G.de Angelis, B.de Canditiis, A.Gadea, L.P.Gaffney, F.Galtarossa, A.Gozzelino, K.Hadynska-Klek, G.Jaworski, P.Koseoglou, S.M.Lenzi, B.Melon, R.Menegazzo, D.Mengoni, A.Nannini, D.R.Napoli, J.Pakarinen, D.Quero, P.Rath, F.Recchia, M.Rocchini, D.Testov, J.J.Valiente-Dobon, A.Vogt, J.Wiederhold, W.Witt

Shape coexistence in neutron-deficient 188Hg investigated via lifetime measurements

NUCLEAR REACTIONS 158Gd(34S, 4n), E=165 MeV; 160Gd(34S, 6n), E=185 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil-distance Doppler-shift (RDDS) method using the GALILEO γ-ray spectrometer, Neutron Wall array, and GALILEO plunger device at the INFN-LNL facility. 188Hg; deduced levels, J, π, B(E2), transition quadrupole moments, β2, shape coexistence, and deformations for normal and intruder configurations. Comparison with two-band mixing model with beyond-mean-field approaches, and with previous experimental results for level lifetimes. Systematics of levels in yrast bands in N=96-114 even-even mercury isotopes, and those of mean-square charge radii for N=96-114 even-even Hg, Pb and Po isotopes.

NUCLEAR STRUCTURE 180,182,184,186,188Hg; calculated levels, J, π, rotational bands built on the first two 0+ states using the two-band mixing model, potential energy surfaces (PES) in (β2, γ) plane, single-proton and neutron energies as function of the deformation β2. Two state-of-the-art beyond mean-field calculations using the symmetry-conserving configuration-mixing (SCCM) approach for axial shapes and the five-dimensional collective Hamiltonian (5DCH).

doi: 10.1103/PhysRevC.102.014318
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2020WI05      Eur.Phys.J. A 56, 159 (2020)

K.Wimmer, T.Arici, W.Korten, P.Doornenbal, J.-P.Delaroche, M.Girod, J.Libert, T.R.Rodriguez, P.Aguilera, A.Algora, T.Ando, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, D.T.Doherty, J.Gerl, R.Gernhauser, T.Goigoux, D.Jenkins, G.Kiss, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, S.Nishimura, A.Obertelli, D.Lubos, V.H.Phong, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, V.Vaquero, R.Wadsworth, J.Wu, M.Zielinska

Shape coexistence revealed in the N = Z isotope 72Kr through inelastic scattering

doi: 10.1140/epja/s10050-020-00171-3
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2019BI04      Phys.Rev. C 99, 064302 (2019)

S.Biswas, A.Lemasson, M.Rejmund, A.Navin, Y.H.Kim, C.Michelagnoli, I.Stefan, R.Banik, P.Bednarczyk, S.Bhattacharya, S.Bhattacharyya, E.Clement, H.L.Crawford, G.de France, P.Fallon, G.Fremont, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.Maj, L.Menager, V.Morel, R.Palit, R.M.Perez-Vidal, J.Ropert, D.Barrientos, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, B.Cederwall, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, R.Menegazzo, D.Mengoni, B.Million, D.R.Napoli, A.Pullia, B.Quintana, D.Ralet, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon, M.Zielinska

Effects of one valence proton on seniority and angular momentum of neutrons in neutron-rich 122-13151Sb isotopes

NUCLEAR REACTIONS 9Be(238U, F)122Sb/123Sb/124Sb/125Sb/126Sb/127Sb/128Sb/129Sb/130Sb/131Sb, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ- and (fragment)γ-coin, T1/2 of isomers by γγ(t) using the VAMOS++ spectrometer for fragment identification and the AGATA array with EXOGAM detectors for γ detection at GANIL. 122,123,124,125,126,127,128,129,130,131Sb; deduced levels, J, π, isomers, bands, and B(E2). Systematics of excitation energies and B(E2) values in 118,119,120,121,122,123,124,125,126,127,128,129,130Sn, 121,122,123,124,125,126,127,128,129,130,131Sb. Comparison with shell model calculations. Discussed neutron-neutron and neutron-proton interactions, and neutron seniority mixings.

doi: 10.1103/PhysRevC.99.064302
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2019BR06      Phys.Rev. C 99, 024614 (2019)

R.Briselet, Ch.Theisen, M.Vandebrouck, A.Marchix, M.Airiau, K.Auranen, H.Badran, D.Boilley, T.Calverley, D.Cox, F.Dechery, F.Defranchi Bisso, A.Drouart, B.Gall, T.Goigoux, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, R.D.Herzberg, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Leino, A.Lightfoot, A.Lopez-Martens, A.Mistry, P.Nieminen, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, J.Rubert, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, B.Sulignano, J.Uusitalo, A.Ward, M.Zielinska

Production cross section and decay study of 243Es and 249Md

NUCLEAR REACTIONS 197Au(48Ca, 2n)243Es, E=208, 210 MeV; 203Tl(48Ca, 2n)249Md, E=212.7, 214.3 MeV; measured reaction products, Eα, Iα, (recoil)α-coin, (recoil)αα-correlations, production σ(E) using RITU separator for recoils at the University of Jyvaskyla. Comparison of measured production σ(E) with calculations using the KEWPIE2 statistical fusion-evaporation code. Systematics of fusion-evaporation σ in the 2n channel.

RADIOACTIVITY 243Es(α)[from 197Au(48Ca, 2n), E=208, 210 MeV followed by separation of fragments using RITU separator at the Accelerator Laboratory of the University of Jyvaskyla (JYFL); 249Md(α)[from 203Tl(48Ca, 2n), E=212.7, 214.3 MeV]; 245Es(α)[α daughter of 249Md decay]; measured Eα, Iα, recoils, (recoils)α-correlations, half-lives and α-decay branching ratios for α decays of ground states of 243,245Es, 249Md. Comparison with previously measured values, and with theoretical predictions.

doi: 10.1103/PhysRevC.99.024614
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2019BU29      Nat. Commun. 10, 2473 (2019)

P.A.Butler, L.P.Gaffney, P.Spagnoletti, J.Konki, M.Scheck, J.F.Smith, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, T.M.Shneidman, B.Siebeck, M.Seidlitz, J.Sinclair, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska

The observation of vibrating pear-shapes in radon nuclei

NUCLEAR REACTIONS 120Sn(222Rn, 222Rn'), E=4.23 MeV/nucleon; 120Sn(224Rn, 224Rn'), (226Rn, 226Rn'), E=5.08 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin., X-rays. 222,224,226Rn; deduced γ-ray energies, J, π, level schemes, octupole-vibrational bands, high-spin transitions. Comparison with systematics of radon isotopes. HIE-ISOLDE accelerator, Miniball spectrometer.

doi: 10.1038/s41467-019-10494-5
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2019CI08      Acta Phys.Pol. B50, 615 (2019)

M.Ciemala, S.Ziliani, F.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, O.Dorvaux, S.Erturk, G.De France, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, B.Millon, C.Muller-Gatermann, P.Napiorkowski, V.Nanal, M.Matejska-Minda, M.Rejmund, B.Sowicki, Ch.Schmitt, M.Stanoiu, I.Stefan, B.Wasilewska, M.Zielinska, M.Zieblinski

Determination of Lifetimes of Excited States in Neutron-rich 20O Isotope from Experiment with the AGATA+PARIS+VAMOS Setup

NUCLEAR REACTIONS 181Ta(18O, 20O), E=126 MeV; measured reaction products, Eγ, Iγ. 20O; deduced γ-ray energies, J, π. VAMOS spectrome ter at the GANIL laboratory.

doi: 10.5506/aphyspolb.50.615
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2019DE32      Acta Phys.Pol. B50, 633 (2019)

C.Delafosse, D.Verney, A.Gottardo, F.Ibrahim, S.Franchoo, I.Matea, L.Olivier, C.Portail, E.Clement, A.Lemasson, C.Michelagnoli, M.Babo, B.Jacquot, A.Goasduff, D.R.Napoli, J.Ljungvall, A.Korichi, G.Georgiev, T.Konstantinopoulos, S.M.Lenzi, A.Boso, D.Mengoni, F.Recchia, C.Andreoiu, F.Didierjean, J.Dudouet, G.Maquart, N.Redon, O.Stezowski, A.Gadea, R.M.Perez-Vidal, M.Zielinska

Lifetime Measurements Using RDDS Method in the Vicinity of 78Ni

NUCLEAR REACTIONS 9Be(238U, F)86Se/88Kr, E=6.2 MeV/nucleon;measured fission fragments, ToF, Eγ, Iγ, γ(θ), γγ-coin, (fragment)γ-coin .86Se, 88Kr; deduced levels, J, π, B(E2), B(M1), T1/2 using Recoil Distance Doppler Shift (RDDS) technique. Comparison with shell model (SM:Ni78-II) andmean-field (HFB-5DCH) calculations. AGATA array coupled with VAMOS++ spectrometer.

doi: 10.5506/aphyspolb.50.633
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2019GR06      J.Phys.(London) G46, 075101 (2019)

E.T.Gregor, N.N.Arsenyev, M.Scheck, T.M.Shneidman, M.Thurauf, C.Bernards, A.Blanc, R.Chapman, F.Drouet, A.A.Dzhioev, G.de France, M.Jentschel, J.Jolie, J.M.Keatings, T.Kroll, U.Koster, R.Leguillon, K.R.Mashtakov, P.Mutti, D.O'Donnell, C.M.Petrache, G.S.Simpson, J.Sinclair, J.F.Smith, T.Soldner, P.Spagnoletti, A.V.Sushkov, W.Urban, A.Vancraeyenest, J.R.Vanhoy, V.Werner, K.O.Zell, M.Zielinska

Decay properties of the 3-1 level in 96Mo

NUCLEAR REACTIONS 95Mo(n, 2γ), E cold; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, B(Eλ). Comparison with QRPA results.

NUCLEAR STRUCTURE 92,94,96,98Mo; calculated energy levels, B(Eλ) using QRPA approach.

doi: 10.1088/1361-6471/ab0b5e
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2019LE08      Eur.Phys.J. A 55, 81 (2019)

L.Lewandowski, P.Reiter, B.Birkenbach, B.Bruyneel, E.Clement, J.Eberth, H.Hess, C.Michelagnoli, H.Li, R.M.Perez-Vidal, M.Zielinska

Pulse-Shape Analysis and position resolution in highly segmented HPGe AGATA detectors

RADIOACTIVITY 22Na(β+); measured position of two anihilation γ-rays; deduced position resolution; improve Pulse-Shape Analysis (PSA) in AGATA HPGe detectors.

doi: 10.1140/epja/i2019-12752-0
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2019SP03      Phys.Rev. C 100, 014311 (2019)

P.Spagnoletti, G.Simpson, S.Kisyov, D.Bucurescu, J.-M.Regis, N.Saed-Samii, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban, A.M.Bruce, C.Bernards, F.Drouet, L.M.Fraile, L.P.Gaffney, D.G.Ghita, S.Ilieva, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, C.Larijarni, R.Lica, H.Mach, N.Marginean, V.Paziy, Zs.Podolyak, P.H.Regan, M.Scheck, J.F.Smith, G.Thiamova, C.Townsley, A.Vancraeyenest, V.Vedia, N.Warr, V.Werner, M.Zielinska

Lifetimes and shape-coexisting states of 99Zr

NUCLEAR REACTIONS 235U(n, F), E=cold neutrons from high-flux reactor of the Institut Laue-Langevin; measured Eγ, Iγ, level half-lives by γγ(t) using EXILL-FATIMA Ge and LaBr3(Ce) detector array for fast-timing technique. 99Zr; deduced levels, J, π, B(E2), B(M1), Q(transition), β2, configuration, kinematic moment of inertia for ν3/2[451] band. Systematics of kinematic moments of inertia of ν3/2[411] bands in 99,101,103Zr, 97Sr. Comparison with theoretical calculations using IBFM-1 model, and with previous experimental results.

doi: 10.1103/PhysRevC.100.014311
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2019WI08      Phys.Lett. B 795, 266 (2019)

K.Wimmer, P.Doornenbal, W.Korten, P.Aguilera, A.Algora, T.Ando, T.Arici, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, D.T.Doherty, J.Gerl, R.Gernhauser, D.G.Jenkins, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, A.Obertelli, D.Lubos, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, R.Wadsworth, M.Zielinska

Discovery of 68Br in secondary reactions of radioactive beams

NUCLEAR REACTIONS 9Be(70Kr, X), (71Kr, X), (72Kr, X), (70Br, X)68Br, E=170 MeV/nucleon; measured reaction products; deduced yields, σ, T1/2.

doi: 10.1016/j.physletb.2019.06.014
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2019WR01      Eur.Phys.J. A 55, 130 (2019)

K.Wrzosek-Lipska, K.Rezynkina, N.Bree, M.Zielinska, L.P.Gaffney, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.N.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, A.Wiens, J.L.Wood

Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of 182Hg, 184Hg, 186Hg and 188Hg

NUCLEAR REACTIONS 112Cd(182Hg, 182Hg'), E=519 MeV; 120Sn, 107Ag, 112Cd(184Hg, 184Hg'), E=524 MeV; 120Sn, 107Ag, 114Cd(186Hg, 186Hg'), E=530 MeV; 120Sn, 107Ag, 114Cd(188Hg, 188Hg'), E=536 MeV; measured reaction products, Eγ, Iγ, X-rays. 182,184,186,188Hg; deduced γ-ray energies, J, π, transition E2 and M1 reduced matrix elements, branching ratios, B(E2). Comparison with theoretical calculations, GOSIA analysis. The Miniball set-up, REX postaccelerator.

doi: 10.1140/epja/i2019-12815-2
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2018DE35      Phys.Rev.Lett. 121, 192502 (2018)

C.Delafosse, D.Verney, P.Marevic, A.Gottardo, C.Michelagnoli, A.Lemasson, A.Goasduff, J.Ljungvall, E.Clement, A.Korichi, G.De Angelis, C.Andreoiu, M.Babo, A.Boso, F.Didierjean, J.Dudouet, S.Franchoo, A.Gadea, G.Georgiev, F.Ibrahim, B.Jacquot, T.Konstantinopoulos, S.M.Lenzi, G.Maquart, I.Matea, D.Mengoni, D.R.Napoli, T.Niksic, L.Olivier, R.M.Perez-Vidal, C.Portail, F.Recchia, N.Redon, M.Siciliano, I.Stefan, O.Stezowski, D.Vretenar, M.Zielinska, D.Barrientos, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, B.Cederwall, L.Charles, M.Ciemala, J.Collado, D.M.Cullen, P.Desesquelles, G.de France, C.Domingo-Pardo, J.Eberth, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, A.Lefevre, F.Legruel, R.Menegazzo, B.Million, J.Nyberg, B.Quintana, D.Ralet, P.Reiter, F.Saillant, E.Sanchis, Ch.Theisen, J.J.Valiente Dobon

Pseudospin Symmetry and Microscopic Origin of Shape Coexistence in the 78Ni Region: A Hint from Lifetime Measurements

NUCLEAR REACTIONS 9Be(238U, X)88Kr/86Se/84Ge, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced level lifetimes, B(E2) values. Comparison with available data. Recoil-distance Doppler shift method.

doi: 10.1103/PhysRevLett.121.192502
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2018GR01      Phys.Rev.Lett. 120, 022502 (2018)

E.Grodner, J.Srebrny, Ch.Droste, L.Prochniak, S.G.Rohozinski, M.Kowalczyk, M.Ionescu-Bujor, C.A.Ur, K.Starosta, T.Ahn, M.Kisielinski, T.Marchlewski, S.Aydin, F.Recchia, G.Georgiev, R.Lozeva, E.Fiori, M.Zielinska, Q.B.Chen, S.Q.Zhang, L.F.Yu, P.W.Zhao, J.Meng

First Measurement of the g Factor in the Chiral Band: The Case of the Cs128 Isomeric State

RADIOACTIVITY 128Cs(IT); measured decay products, Eγ, Iγ; deduced g factor, γ-ray energies, Larmor frequency of precession.

doi: 10.1103/PhysRevLett.120.022502
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2018HE13      Acta Phys.Pol. B49, 529 (2018)

C.Henrich, Th.Kroll, K.Arnswald, C.Berger, C.Berner, T.Berry, V.Bildstein, J.Cederkall, D.Cox, G.de Angelis, H.De Witte, G.Fernandez-Martinez, L.Gaffney, G.Georgiev, S.Ilieva, A.Illana Sison, R.Lozeva, M.Matejska-Minda, P.J.Napiorkowski, J.Ojala, J.Pakarinen, G.Rainovski, M.Ramdhane, P.Reiter, H.-B.Rhee, D.Rosiak, M.Seidlitz, B.Siebeck, G.Simpson, J.Snall, V.Vaquero Soto, M.Thurauf, M.von Schmid, N.Warr, L.Werner, M.Zielinska

Coulomb Excitation of 142Xe

NUCLEAR REACTIONS 206Pb(142Xe, 142Xe'), E=4.5 MeV/nucleon; measured reaction particle ejectiles using C-REX particle detector (segmented Si detectors) to detect both beam and recoiling target (Si detector array of 2 DSSSDs and 4 barrel Si detectors, Doppler-corrected Eγ, Iγ); deduced B(E2), B(E3) from prompt fission fragment spectroscopy following the 248Cm(SF), full statistics Doppler-corrected γ-ray spectrum in coincidence with backwards-facing DSSSD.

doi: 10.5506/aphyspolb.49.529
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2018MA47      Acta Phys.Pol. B49, 567 (2018)

M.Matejska-Minda, P.J.Napiorkowski, T.Abraham, P.Bednarczyk, A.Bezbakh, D.T.Doherty, K.Hadynska-Klek, J.Iwanicki, G.Kaminski, M.Kisielinski, M.Komorowska, M.Kowalczyk, M.Kicinska-Habior, R.Kumar, A.Maj, T.Marchlewski, P.Matuszczak, V.Nanal, A.Nannini, M.Palacz, L.Prochniak, M.Rocchini, M.Saxena, M.Siciliano, J.Srebrny, A.Stolarz, J.Styczen, B.Wasilewska, K.Wrzosek-Lipska, M.Zielinska

Electromagnetic Properties of 45Sc Studied by Low-energy Coulomb Excitation

NUCLEAR REACTIONS 45Sc(32S, γ), E=70 MeV; measured Coulomb excitation Eγ, Iγ ; deduced γ-ray transitions, 45Sc levels, J, π, B(E3 7/2- to 5/2+), B(E3 7/2- to 3/2+).

doi: 10.5506/aphyspolb.49.567
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2018WI08      Phys.Lett. B 785, 441 (2018)

K.Wimmer, W.Korten, T.Arici, P.Doornenbal, P.Aguilera, A.Algora, T.Ando, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, D.T.Doherty, J.Gerl, R.Gernhauser, D.Jenkins, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, A.Obertelli, D.Lubos, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, R.Wadsworth, M.Zielinska

Shape coexistence and isospin symmetry in A=70 nuclei: Spectroscopy of the Tz = 1 nucleus 70Kr

NUCLEAR REACTIONS 9Be(78Kr, X)70Kr/71Kr/72Kr, 9Be(71Br, X)70Se, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced level scheme, J, π, γ-ray energies and intensities, σ, shape coexistence. Comparison with available data.

doi: 10.1016/j.physletb.2018.07.067
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2017AN15      Phys.Rev. C 96, 054323 (2017)

S.Ansari, J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, W.Korten, M.Zielinska, M.-D.Salsac, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, H.Mach, L.M.Fraile, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, M.Scheck, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, S.Lalkovski, N.Marginean, T.Otsuka, N.Shimizu, T.Togashi, Y.Tsunoda

Experimental study of the lifetime and phase transition in neutron-rich 98, 100, 102Zr

NUCLEAR REACTIONS 235U(n, F), 241Pu(n, F), E=cold neutrons beam from PF1B, Institut Laue-Langevin (ILL), Grenoble; measured Eγ, γγ-coin, half-lives of the first 2+, 4+ and 6+ levels by fast-timing technique using the EXILL-FATIMA array consisting of eight EXOGAM clovers and 16 LaBr3(Ce) scintillators; fast-timing coincidence events analyzed using method of mirror symmetric centroid difference (MSCD) and generalized centroid difference method (GCDM). 98,100,102Zr; deduced levels, B(E2). Comparison with Interacting Boson model and Monte-Carlo shell-model calculations, and with previous experimental results. Systematics of B(E2) values for the first 2+, 4+ and 6+ states in 96,98,100,102,104,106Zr.

doi: 10.1103/PhysRevC.96.054323
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2017CL02      Phys.Scr. 92, 084002 (2017)

E.Clement, M.Zielinska

Shape coexistence in neutron-rich strontium isotopes at N = 60

NUCLEAR REACTIONS 120Sn, 109Ag(96Sr, 96Sr'), (98Sr, 98Sr'), E=275.5, 76.3 MeV; measured reaction products, Eγ, Iγ. 96,98Sr; deduced systematics of quadrupole moments and transition probabilities in the N=60 region.

doi: 10.1088/1402-4896/aa7c29
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2017DO01      Phys.Lett. B 766, 334 (2017)

D.T.Doherty, J.M.Allmond, R.V.F.Janssens, W.Korten, S.Zhu, M.Zielinska, D.C.Radford, A.D.Ayangeakaa, B.Bucher, J.C.Batchelder, C.W.Beausang, C.Campbell, M.P.Carpenter, D.Cline, H.L.Crawford, H.M.David, J.P.Delaroche, C.Dickerson, P.Fallon, A.Galindo-Uribarri, F.G.Kondev, J.L.Harker, A.B.Hayes, M.Hendricks, P.Humby, M.Girod, C.J.Gross, M.Klintefjord, K.Kolos, G.J.Lane, T.Lauritsen, J.Libert, A.O.Macchiavelli, P.J.Napiorkowski, E.Padilla-Rodal, R.C.Pardo, W.Reviol, D.G.Sarantites, G.Savard, D.Seweryniak, J.Srebrny, R.Varner, R.Vondrasek, A.Wiens, E.Wilson, J.L.Wood, C.Y.Wu

Triaxiality near the 110Ru ground state from Coulomb excitation

NUCLEAR REACTIONS 208Pb(110Ru, 110Ru'), E=430 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energy spectrum, B(E2) using GOSIA fit of the experimental data, level scheme, J, π, triaxial deformation. Comparison with available data.

doi: 10.1016/j.physletb.2017.01.031
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2017DU05      Phys.Rev.Lett. 118, 162501 (2017)

J.Dudouet, A.Lemasson, G.Duchene, M.Rejmund, E.Clement, C.Michelagnoli, F.Didierjean, A.Korichi, G.Maquart, O.Stezowski, C.Lizarazo, R.M.Perez-Vidal, C.Andreoiu, G.de Angelis, A.Astier, C.Delafosse, I.Deloncle, Z.Dombradi, G.de France, A.Gadea, A.Gottardo, B.Jacquot, P.Jones, T.Konstantinopoulos, I.Kuti, F.Le Blanc, S.M.Lenzi, G.Li, R.Lozeva, B.Million, D.R.Napoli, A.Navin, C.M.Petrache, N.Pietralla, D.Ralet, M.Ramdhane, N.Redon, C.Schmitt, D.Sohler, D.Verney, D.Barrientos, B.Birkenbach, I.Burrows, L.Charles, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo Pardo, V.Gonzalez, L.Harkness-Brennan, H.Hess, D.S.Judson, M.Karolak, W.Korten, M.Labiche, J.Ljungvall, R.Menegazzo, D.Mengoni, A.Pullia, F.Recchia, P.Reiter, M.D.Salsac, E.Sanchis, Ch.Theisen, J.J.Valiente-Dobon, M.Zielinska

9636Kr60-Low-Z Boundary of the Island of Deformation at N=60

NUCLEAR REACTIONS 9Be(238U, X)96Kr, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, R4/2. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.118.162501
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2017KL01      Phys.Rev. C 95, 024312 (2017)

M.Klintefjord, J.Ljungvall, A.Gorgen, S.M.Lenzi, F.L.Bello Garrote, A.Blazhev, E.Clement, G.de France, J.-P.Delaroche, P.Desesquelles, A.Dewald, D.T.Doherty, C.Fransen, A.Gengelbach, G.Georgiev, M.Girod, A.Goasduff, A.Gottardo, K.Hadynska-Klek, B.Jacquot, T.Konstantinopoulos, A.Korichi, A.Lemasson, J.Libert, A.Lopez-Martens, C.Michelagnoli, A.Navin, J.Nyberg, R.M.Perez-Vidal, S.Roccia, E.Sahin, I.Stefan, A.E.Stuchbery, M.Zielinska, D.Barrientos, B.Birkenbach, A.Boston, L.Charles, M.Ciemala, J.Dudouet, J.Eberth, A.Gadea, V.Gonzalez, L.Harkness-Brennan, H.Hess, A.Jungclaus, W.Korten, R.Menegazzo, D.Mengoni, B.Million, A.Pullia, D.Ralet, F.Recchia, P.Reiter, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente Dobon

Measurement of lifetimes in 62, 64Fe, 61, 63Co, and 59Mn

NUCLEAR REACTIONS 64Ni(238U, X), E=6.5 MeV/nucleon; measured ΔE-E energy spectrum for target-like reaction products, mass-over-charge ratio of the ions from TOF, Eγ, Iγ, (recoil ions)γ-coin, level half-lives using recoil distance Doppler shift (RDDS) method using large-acceptance variable mode spectrometer VAMOS++, and AGATA array, and Orsay universal plunger system (OUPS) at GANIL facility. 62,64Fe, 61,63Co, 59Mn; deduced levels, J, π, B(E2). Comparison with previous experimental results, with large-scale shell-model calculations, and with beyond-mean-field CHFB+5DCH calculations using Gogny D1S interaction.

doi: 10.1103/PhysRevC.95.024312
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2017PA12      J.Phys.(London) G44, 064009 (2017)

J.Pakarinen, T.Grahn, L.P.Gaffney, A.Algora, C.Bauer, A.Blazhev, N.Bree, T.E.Cocolios, H.De Witte, J.Diriken, P.Fernier, K.Hadynska-Klek, A.Herzan, M.Huyse, J.Iwanicki, U.Jakobsson, D.Jenkins, N.Kesteloot, J.Konki, B.Lannoo, P.Papadakis, P.Peura, P.Rahkila, G.Rainovski, E.Rapisarda, P.Reiter, S.Sambi, M.Scheck, B.Seibeck, M.Seidlitz, T.Stora, P.Van Duppen, N.Warr, F.Wenander, M.J.Vermeulen, D.Voulot, K.Wrzosek-Lipska, M.Zielinska

Collectivity in 196, 198Pb isotopes probed in Coulomb-excitation experiments at REX-ISOLDE

NUCLEAR REACTIONS 112Cd(196Pb, 196Pb'), (198Pb, 198Pb'), E=2.82 MeV/nucleon; measured reaction products, Eγ, Iγ. 196,198Pb; deduced γ-ray energies, J, π, quadrupole moments, B(E2). GOSIA2 code simultaneous treatment both target and beam excitations, comparison with available data.

doi: 10.1088/1361-6471/aa6753
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2017PE03      Phys.Rev. C 95, 014305 (2017)

J.Perkowski, J.Andrzejewski, Ch.Droste, L.Janiak, E.Grodner, S.G.Rohozinski, L.Prochniak, J.Srebrny, J.Samorajczyk-Pysk, T.Abraham, K.Hadynska-Klek, M.Kisielinski, M.Komorowska, M.Kowalczyk, J.Kownacki, T.Marchlewski, J.Mierzejewski, P.Napiorkowski, A.Stolarz, A.Korman, M.Zielinska

Decay of the Iπisomeric state in 134Nd and 184Pt studied by electron and gamma spectroscopy

RADIOACTIVITY 134Nd, 184Pt(IT)[from 122Te(16O, 4n), E=90 MeV and 175Lu(14N, 5n)184Pt, E=90 MeV at the Heavy Ion Laboratory of University of Warsaw]; measured Eγ, Iγ, ce, γγ- and γ(ce)-coin, isomer half-lives using EAGLE array for γ detection and conversion-electron spectrometers; deduced levels, J, π, K-isomers, K- and L-conversion coefficients, multipolarities, mixing ratios, B(E1), B(E2), B(E3), hindrance factors for γ transitions, alignments. Comparison with VMI plus two band mixing and the Davydov-Filippov model.

NUCLEAR STRUCTURE 134Nd, 184Pt; calculated mean-field collective potential energy surfaces in (β, γ) plane, Kπ=8- isomeric state; analyzed weakening of the K-forbiddenness by rotational K-mixing (Coriolis interaction), and triaxiality (Davydov-Fillipov model).

doi: 10.1103/PhysRevC.95.014305
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2017RO14      Phys.Scr. 92, 074001 (2017)

M.Rocchini, K.Hadynska-Klek, A.Nannini, J.J.Valiente-Dobon, A.Goasduff, D.Testov, P.R.John, D.Mengoni, M.Zielinska, D.Bazzacco, G.Benzoni, A.Boso, P.Cocconi, M.Chiari, D.T.Doherty, F.Galtarossa, G.Jaworski, M.Komorowska, M.Matejska-Minda, B.Melon, R.Menegazzo, P.Napiorkowski, D.R.Napoli, M.Ottanelli, A.Perego, L.Ramina, M.Rampazzo, F.Recchia, S.Riccetto, D.Rosso, M.Siciliano, P.Sona

First measurement with a new setup for low-energy Coulomb excitation studies at INFN LNL

NUCLEAR REACTIONS 208Pb(66Zn, 66Zn'), E=240 MeV; measured reaction products, Eγ, Iγ. 66Zn; deduced γ-ray energies. GOSIA analysis.

doi: 10.1088/1402-4896/aa7162
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2017WI02      Acta Phys.Pol. B48, 395 (2017)

J.N.Wilson, M.Lebois, L.Qi, P.Amador-Celdran, D.Bleuel, J.A.Briz, R.Carroll, W.Catford, H.De Witte, D.Doherty, R.Eloirdi, G.Georgiev, A.Gottardo, A.Goasduff, K.Hadynska-Klek, K.Hauschild, M.Hess, V.Ingeberg, T.Konstantinopoulos, J.Ljungvall, A.Lopez-Martens, G.Lorusso, R.Lozeva, R.Lutter, P.Marini, I.Matea, T.Materna, L.Mathieu, A.Oberstedt, S.Oberstedt, S.Panebianco, Z.Podolyak, A.Porta, P.H.Regan, P.Reiter, K.Rezynkina, S.J.Rose, E.Sahin, M.Seidlitz, R.Shearman, B.Siebeck, S.Siem, A.G.Smith, G.M.Tveten, D.Verney, N.Warr, F.Zeiser, M.Zielinska

Production and Study of Neutron-rich Nuclei Using the LICORNE Directional Neutron Source

NUCLEAR REACTIONS 238U(n, f), E≈threshold; measured Eγ, Iγ, γγ-coin.

doi: 10.5506/APhysPolB.48.395
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2017WI09      Phys.Rev.Lett. 118, 222501 (2017)

J.N.Wilson, M.Lebois, L.Qi, P.Amador-Celdran, D.Bleuel, J.A.Briz, R.Carroll, W.Catford, H.De Witte, D.T.Doherty, R.Eloirdi, G.Georgiev, A.Gottardo, A.Goasduff, K.Hadynska-Klek, K.Hauschild, H.Hess, V.Ingeberg, T.Konstantinopoulos, J.Ljungvall, A.Lopez-Martens, G.Lorusso, R.Lozeva, R.Lutter, P.Marini, I.Matea, T.Materna, L.Mathieu, A.Oberstedt, S.Oberstedt, S.Panebianco, Zs.Podolyak, A.Porta, P.H.Regan, P.Reiter, K.Rezynkina, S.J.Rose, E.Sahin, M.Seidlitz, O.Serot, R.Shearman, B.Siebeck, S.Siem, A.G.Smith, G.M.Tveten, D.Verney, N.Warr, F.Zeiser, M.Zielinska

Anomalies in the Charge Yields of Fission Fragments from the 238U(n, f) Reaction

NUCLEAR REACTIONS 238U(n, F), E fast; measured fission products, Eγ, Iγ. 141Te, 104Sr; deduced fission yields, charge yields of even-Z elements. Comparison with JEFF-3.1, ENDF/B-VII.1 evaluated nuclear data libraries.

doi: 10.1103/PhysRevLett.118.222501
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2016CL01      Phys.Rev.Lett. 116, 022701 (2016)

E.Clement, M.Zielinska, A.Gorgen, W.Korten, S.Peru, J.Libert, H.Goutte, S.Hilaire, B.Bastin, C.Bauer, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, J.Butterworth, P.Delahaye, A.Dijon, D.T.Doherty, A.Ekstrom, C.Fitzpatrick, C.Fransen, G.Georgiev, R.Gernhauser, H.Hess, J.Iwanicki, D.G.Jenkins, A.C.Larsen, J.Ljungvall, R.Lutter, P.Marley, K.Moschner, P.J.Napiorkowski, J.Pakarinen, A.Petts, P.Reiter, T.Renstrom, M.Seidlitz, B.Siebeck, S.Siem, C.Sotty, J.Srebrny, I.Stefanescu, G.M.Tveten, J.Van de Walle, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, A.Wiens, H.De Witte, K.Wrzosek-Lipska

Spectroscopic Quadrupole Moments in 96, 98Sr: Evidence for Shape Coexistence in Neutron-Rich Strontium Isotopes at N=60

NUCLEAR REACTIONS 109Ag, 120Sn(96Sr, 96Sr'), E=275 MeV;60Ni, 208Pb(98Sr, 98Sr'), E=276 MeV; measured reaction products, Eγ, Iγ. 96,98Sr; deduced B(E2) and B(M1)values, spectroscopic quadrupole moments. Comparison with beyond-mean-field calculations using the Gogny D1S interaction, least squares fitting code GOSIA.

NUCLEAR STRUCTURE 96,98Sr; calculated B(E2) values with the Gogny D1S interaction in a five-dimensional collective Hamiltonian (5DCH) formalism.

doi: 10.1103/PhysRevLett.116.022701
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2016CL03      Phys.Rev. C 94, 054326 (2016)

E.Clement, M.Zielinska, S.Peru, H.Goutte, S.Hilaire, A.Gorgen, W.Korten, D.T.Doherty, B.Bastin, C.Bauer, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, J.Butterworth, J.Cederkall, P.Delahaye, A.Dijon, A.Ekstrom, C.Fitzpatrick, C.Fransen, G.Georgiev, R.Gernhauser, H.Hess, J.Iwanicki, D.G.Jenkins, A.C.Larsen, J.Ljungvall, R.Lutter, P.Marley, K.Moschner, P.J.Napiorkowski, J.Pakarinen, A.Petts, P.Reiter, T.Renstrom, M.Seidlitz, B.Siebeck, S.Siem, C.Sotty, J.Srebrny, I.Stefanescu, G.M.Tveten, J.Van de Walle, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, A.Wiens, H.De Witte, K.Wrzosek-Lipska

Low-energy Coulomb excitation of 96, 98Sr beams

NUCLEAR REACTIONS 60Ni, 208Pb(98Sr, 98Sr'), E=276.3 MeV; 109Ag, 120Sn(96Sr, 96Sr'), E=275.5 MeV; measured Eγ, Iγ, scattered Sr ions and target recoils, (particle)γ-coin, γ(θ), differential Coulomb excitation cross sections using Miniball array for γ detection and Si strip detectors for ions at REX-ISOLDE-CERN facility. 96,98Sr; deduced levels, E2 and M1 matrix elements, B(E2) and level half-lives, quadrupole moments and deformation parameters, E0 monopole transition strengths using GOSIA2 analysis. Comparison with previous experimental data and five-dimensional collective Hamiltonian and Gogny D1S force, and using complex excited VAMPIR approach. Systematics of level energies, transitional and spectroscopic quadrupole moments in 94,96Kr, 96,98Sr, 98,100Zr, 100,102Mo. Systematics of energy and B(E2) for first 2+ state, and energies of second 0+ states in 90,92,94,96,98,100,102Sr. 60Ni, 208Pb(98Rb, 98Rb'), E=276 MeV; measured Eγ, Iγ, scattered Rb ions and target recoils, (particle)γ-coin, γ(θ), level half-lives by recoil-distance Doppler shift method. 98Rb; deduced levels.

doi: 10.1103/PhysRevC.94.054326
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2016DU07      Acta Phys.Pol. B47, 917 (2016)

S.Dutt, P.J.Napiorkowski, T.Abraham, L.Janiak, M.Kisielinski, M.Komorowska, M.Kowalczyk, R.Kumar, T.Marchlewski, M.Matejska-Minda, M.Palacz, W.Piatek, L.Prochniak, I.A.Rizvi, J.Samorajczyk, M.Saxena, J.Srebrny, A.Tucholski W.Wroblewski, K.Wrzosek-Lipska, M.Zielinska

Nuclear Structure Study of 104Pd by Coulomb Excitation at the Warsaw Heavy Ion Laboratory

NUCLEAR REACTIONS 104Pd(32S, 32S'), E=91 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, B(E2) values.

doi: 10.5506/APhysPolB.47.917
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2016GR17      Eur.Phys.J. A 52, 340 (2016)

T.Grahn, J.Pakarinen, L.Jokiniemi, M.Albers, K.Auranen, C.Bauer, C.Bernards, A.Blazhev, P.A.Butler, S.Bonig, A.Damyanova, T.De Coster, H.De Witte, J.Elseviers, L.P.Gaffney, M.Huyse, A.Herzan, U.Jakobsson, R.Julin, N.Kesteloot, J.Konki, Th.Kroll, L.Lewandowski, K.Moschner, P.Peura, M.Pfeiffer, D.Radeck, P.Rahkila, E.Rapisarda, P.Reiter, K.Reynders, M.Rudiger, M.-D.Salsac, S.Sambi, M.Scheck, M.Seidlitz, B.Siebeck, T.Steinbach, S.Stolze, J.Suhonen, P.Thoele, M.Thurauf, N.Warr, P.Van Duppen, M.Venhart, M.J.Vermeulen, V.Werner, M.Veselsky, A.Vogt, K.Wrzosek-Lipska, M.Zielinska

Collective 2+1 excitations in 206Po and 208, 210Rn

NUCLEAR REACTIONS 104Pd, 114Cd(206Po, x), E=2.85 MeV/nucleon;104Pd, 114Cd(208Rn, x), (210Rn, x), E=2.82 MeV/nucleon; measured Coulomb excitation Eγ, Iγ, γγ-coin using MINIBALL γ spectrometer, scattered projectiles and target recoils using annular double-sided Si strip detectors (CD), time difference between MINIBALL γ's and CD data; deduced γ ray energy spectra, diagonal vs transitional matrix element, B(E2); calculated B(E2) using QRPA.

doi: 10.1140/epja/i2016-16340-6
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2016HA23      Phys.Rev.Lett. 117, 062501 (2016)

K.Hadynska-Klek, P.J.Napiorkowski, M.Zielinska, J.Srebrny, A.Maj, F.Azaiez, J.J.Valiente Dobon, M.Kicinska-Habior, F.Nowacki, H.Naidja, B.Bounthong, T.R.Rodriguez, G.de Angelis, T.Abraham, G.Anil Kumar, D.Bazzacco, M.Bellato, D.Bortolato, P.Bednarczyk, G.Benzoni, L.Berti, B.Birkenbach, B.Bruyneel, S.Brambilla, F.Camera, J.Chavas, B.Cederwall, L.Charles, M.Ciemala, P.Cocconi, P.Coleman-Smith, A.Colombo, A.Corsi, F.C.L.Crespi, D.M.Cullen, A.Czermak, P.Desesquelles, D.T.Doherty, B.Dulny, J.Eberth, E.Farnea, B.Fornal, S.Franchoo, A.Gadea, A.Giaz, A.Gottardo, X.Grave, J.Grebosz, A.Gorgen, M.Gulmini, T.Habermann, H.Hess, R.Isocrate, J.Iwanicki, G.Jaworski, D.S.Judson, A.Jungclaus, N.Karkour, M.Kmiecik, D.Karpinski, M.Kisielinski, N.Kondratyev, A.Korichi, M.Komorowska, M.Kowalczyk, W.Korten, M.Krzysiek, G.Lehaut, S.Leoni, J.Ljungvall, A.Lopez-Martens, S.Lunardi, G.Maron, K.Mazurek, R.Menegazzo, D.Mengoni, E.Merchan, W.Meczynski, C.Michelagnoli, J.Mierzejewski, B.Million, S.Myalski, D.R.Napoli, R.Nicolini, M.Niikura, A.Obertelli, S.F.Ozmen, M.Palacz, L.Prochniak, A.Pullia, B.Quintana, G.Rampazzo, F.Recchia, N.Redon, P.Reiter, D.Rosso, K.Rusek, E.Sahin, M.-D.Salsac, P.-A.Soderstrom, I.Stefan, O.Stezowski, J.Styczen, Ch.Theisen, N.Toniolo, C.A.Ur, V.Vandone, R.Wadsworth, B.Wasilewska, A.Wiens, J.L.Wood, K.Wrzosek-Lipska, M.Zieblinski

Superdeformed and Triaxial States in 42Ca

NUCLEAR REACTIONS 208Pb, 197Au(42Ca, 42Ca'), E=170 MeV; measured reaction products, Eγ, Iγ. 42Ca; deduced γ-ray energies, B(E2), superdeformed bands. Comparison with available data.

doi: 10.1103/PhysRevLett.117.062501
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2016KL05      Phys.Rev. C 93, 054303 (2016)

M.Klintefjord, K.Hadynska-Klek, A.Gorgen, C.Bauer, F.L.Bello Garrote, S.Bonig, B.Bounthong, A.Damyanova, J.-P.Delaroche, V.Fedosseev, D.A.Fink, F.Giacoppo, M.Girod, P.Hoff, N.Imai, W.Korten, A.-C.Larsen, J.Libert, R.Lutter, B.A.Marsh, P.L.Molkanov, H.Naidja, P.Napiorkowski, F.Nowacki, J.Pakarinen, E.Rapisarda, P.Reiter, T.Renstrom, S.Rothe, M.D.Seliverstov, B.Siebeck, S.Siem, J.Srebrny, T.Stora, P.Thole, T.G.Tornyi, G.M.Tveten, P.Van Duppen, M.J.Vermeulen, D.Voulot, N.Warr, F.Wenander, H.De Witte, M.Zielinska

Structure of low-lying states in 140Sm studied by Coulomb excitation

NUCLEAR REACTIONS 94Mo(140Sm, 140Sm'), (140Sm, 94Mo'), E=2.85 MeV/nucleon, [secondary 140Sm beam from Ta(p, X), E=1.4 GeV reaction at ISOLDE-CERN using RILIS, REXTRAP and EBIS]; measured scattered 140Sm and 94Mo particles, Eγ, Iγ, (particle)γ-coin, γ-yields using MINIBALL array for γ rays and DSSSD detectors for particle detection, γ spectra with laser on and off, γ-ray angular distributions. 140Sm; deduced E2 matrix elements, B(E2), spectroscopic quadrupole moment for the first two 2+ and the first 4+ states using coupled channel code GOSIA and normalized to γ-ray yield for first 2+ state in 94Mo target, and to known half-life for the first 2+ in 140Sm. Comparison with theoretical calculations using beyond-mean-field model with Gogny D1S interaction, shell model, interacting boson approximation (IBA), and E(5) symmetry. Calculated potential energy surface in (β, γ) plane for 140Sm. 95Mo; measured Iγ yield for 3/2+ to 5/2+ ground-state transition.

doi: 10.1103/PhysRevC.93.054303
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2016KO13      Acta Phys.Pol. B47, 923 (2016)

M.Komorowska, M.Zielinska, P.Napiorkowski, D.T.Doherty, K.Wrzosek-Lipska, P.A.Butler, L.Prochniak, W.Korten, R.Briselet, H.De Witte, L.P.Gaffney, G.Georgiev, A.Goasduff, A.Gorgen, A.Gottardo, E.T.Gregor, K.Hadynska-Klek, H.Hess, M.Klintefjord, T.Konstantinopoulos, J.Ljungvall, R.Lutter, I.Matea, P.Matuszczak, G.G.O'Neill, W.Piatek, P.Reiter, D.Rosiak, M.Scheck, M.Seidlitz, B.Siebeck, M.Thurauf, N.Warr

Study of Octupole Collectivity in 146Nd and 148Sm Using the New Coulomb Excitation Set-up at ALTO

NUCLEAR REACTIONS 146Nd, 148Sm(58Ni, 58Ni'), (32S, 32S'), E=182, 104 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, nuclear matrix elements.

doi: 10.5506/APhysPolB.47.923
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2016NO05      Phys.Rev. C 93, 044335 (2016)

K.Nowak, K.Wimmer, S.Hellgartner, D.Mucher, V.Bildstein, J.Diriken, J.Elseviers, L.P.Gaffney, R.Gernhauser, J.Iwanicki, J.G.Johansen, M.Huyse, J.Konki, T.Kroll, R.Krucken, R.Lutter, R.Orlandi, J.Pakarinen, R.Raabe, P.Reiter, T.Roger, G.Schrieder, M.Seidlitz, O.Sorlin, P.Van Duppen, N.Warr, H.De Witte, M.Zielinska

Spectroscopy of 46Ar by the (t, p) two-neutron transfer reaction

NUCLEAR REACTIONS 3H(44Ar, p)46Ar, E=2.16 MeV/nucleon, [44Ar secondary beam from U(p, X), E=1.4 GeV primary beam using FEBIAD ion source and HRS separator at CERN]; measured recoil proton and other light-particle spectra using T-REX silicon array, Eγ, Iγ, (recoil protons)γ-coin using MINIBALL array for γ-ray detection, angular distribution of protons from 2n-transfer channel at REX-ISOLDE-CERN facility. DWBA analysis of σ(θ) data for protons using amplitudes calculated with SDPF-MU, SDPF-U and EPQQM shell-model effective interactions. 46Ar; deduced levels, J, π. Comparison of level spectrum with shell-model calculations.

NUCLEAR STRUCTURE 46Ar; calculated levels, J, π by shell model using SDPF-NR, SDPF-MU, SDPF-U and EPQQM effective interactions, spectroscopic amplitudes and two-nucleon amplitudes (TNA) in transfer reactions, wave functions. Discussed B(E2) for the first 2+ state.

doi: 10.1103/PhysRevC.93.044335
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2016ZI03      Eur.Phys.J. A 52, 99 (2016)

M.Zielinska, L.P.Gaffney, K.Wrzosek-Lipska, E.Clement, T.Grahn, N.Kesteloot, P.Napiorkowski, J.Pakarinen, P.Van Duppen, N.Warr

Analysis methods of safe Coulomb-excitation experiments with radioactive ion beams using the GOSIA code

doi: 10.1140/epja/i2016-16099-8
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2015CE03      Phys.Rev. C 91, 044311 (2015)

I.Celikovic, A.Dijon, E.Clement, G.de France, P.Van Isacker, J.Ljungvall, A.Dewald, C.Fransen, G.Georgiev, A.Gorgen, A.Gottardo, M.Hackstein, T.W.Hagen, C.Louchart, P.Napiorkowski, A.Obertelli, F.Recchia, W.Rother, S.Siem, B.Sulignano, P.Ujic, J.J.Valiente-Dobon, M.Zielinska

Probing collectivity in Zn isotopes with one particle or hole outside the N=40 subshell closure

NUCLEAR REACTIONS 70Zn(238U, X)69Zn/71Zn, E=6.76 MeV/nucleon; measured Eγ, Iγ, level-half-lives by recoil distance Doppler-shift method using VAMOS spectrometer, EXOGAM array, and a differential plunger device at GANIL. 69,71Zn; deduced levels, J, π, B(M1), B(E2). Comparison with shell-model calculations with the JUN45 interaction. Coexistence of single-particle and collective states.

doi: 10.1103/PhysRevC.91.044311
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2015GA19      Phys.Rev. C 91, 064313 (2015)

L.P.Gaffney, A.P.Robinson, D.G.Jenkins, A.N.Andreyev, M.Bender, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, T.E.Cocolios, T.Davinson, A.N.Deacon, H.De Witte, D.DiJulio, J.Diriken, A.Ekstrom, Ch.Fransen, S.J.Freeman, K.Geibel, T.Grahn, B.Hadinia, M.Hass, P.-H.Heenen, H.Hess, M.Huyse, U.Jakobsson, N.Kesteloot, J.Konki, Th.Kroll, V.Kumar, O.Ivanov, S.Martin-Haugh, D.Mucher, R.Orlandi, J.Pakarinen, A.Petts, P.Peura, P.Rahkila, P.Reiter, M.Scheck, M.Seidlitz, K.Singh, J.F.Smith, J.Van de Walle, P.Van Duppen, D.Voulot, R.Wadsworth, N.Warr, F.Wenander, K.Wimmer, K.Wrzosek-Lipska, M.Zielinska

Collectivity in the light radon nuclei measured directly via Coulomb excitation

NUCLEAR REACTIONS 109Ag, 120Sn(202Rn, 202Rn'), (204Rn, 204Rn'), E=2.845, 2.90, 2.28 MeV, [secondary 202,204Rn beams from U(p, X), E=1.4 GeV from Proton Synchrotron Booster, REX-TRAP, REX-EBIS and REX-LINAC at ISOLDE-CERN facility]; measured scattered heavy ion spectra, Eγ, Iγ, (particle)γ-coin using Miniball array. Coulomb excitation. 202,204Rn; deduced levels, E2 matrix elements, spectroscopic quadrupole moment, B(E2). GOSIA analysis of experimental data for 202,204Rn and 109Ag, 120Sn from Coulomb excitation. Comparison with state-of-the-art beyond-mean-field model calculations. Systematics of energies and transition quadrupole moments of yrast states, B(E2) and quadrupole deformation for first 2+ states in 198,200,202,204,206,208,210,212Rn.

doi: 10.1103/PhysRevC.91.064313
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2015KE06      Phys.Rev. C 92, 054301 (2015)

N.Kesteloot, B.Bastin, L.P.Gaffney, K.Wrzosek-Lipska, K.Auranen, C.Bauer, M.Bender, V.Bildstein, A.Blazhev, S.Bonig, N.Bree, E.Clement, T.E.Cocolios, A.Damyanova, I.Darby, H.De Witte, D.DiJulio, J.Diriken, C.Fransen, J.E.Garcia-Ramos, R.Gernhauser, T.Grahn, P.-H.Heenen, H.Hess, K.Heyde, M.Huyse, J.Iwanicki, U.Jakobsson, J.Konki, T.Kroll, B.Laurent, N.Lecesne, R.Lutter, J.Pakarinen, P.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, M.Scheck, M.Seidlitz, M.Sferrazza, B.Siebeck, M.Sjodin, H.Tornqvist, E.Traykov, J.Van De Walle, P.Van Duppen, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, K.Wimmer, M.Zielinska

Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes

NUCLEAR REACTIONS 104Pd(196Po, 196Po'), (200Po, 200Po'), (202Po, 202Po'), 94Mo(198Po, 198Po'), (202Po, 202Po'), E=2.85 MeV/nucleon, [secondary Po beams from U(p, X), E=1.4 GeV at REX-ISOLDE-CERN facility]; measured Eγ, Iγ, γγ-coin, (Po x ray)γ-coin, (scattered particle)γ-coin, (particle)γ(t), angular distribution of scattered particles, Coulomb excitation yields for excited states in beams and targets during laser-on and laser-off using double-sided silicon-strip detectors (DSSSDs) for particles and Miniball array for γ rays. 196,198,200,202Po; deduced levels, J, π, E2 matrix elements, B(E2), deformation parameters, transition quadrupole moments. 94Mo, 104Pd; deduced levels, Coulomb excitation yields. GOSIA analysis of Coulomb excitation yields. Comparison with predictions of beyond-mean-field (BMF) model, interacting boson model (IBM), general Bohr Hamiltonian (GBH) model, phenomenological two-level mixing model, and with previous measurement of mean-square charge radii.

doi: 10.1103/PhysRevC.92.054301
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2015KL01      Acta Phys.Pol. B46, 607 (2015)

M.Klintefjord, K.Hadynska-Klek, J.Samorajczyk, A.Gorgen, Ch.Droste, J.Srebrny, T.Abraham, C.Bauer, F.L.Bello Garrote, S.Bonig, A.Damyanova, F.Giacoppo, E.Grodner, P.Hoff, M.Kisielinski, M.Komorowska, W.Korten, M.Kowalczyk, J.Kownacki, A.C.Larsen, R.Lutter, T.Marchlewski, P.Napiorkowski, J.Pakarinen, E.Rapisarda, P.Reiter, T.Renstrom, B.Siebeck, S.Siem, A.Stolarz, R.Szenborn, P.Thole, T.Tornyi, A.Tucholski, G.M.Tveten, P.Van Duppen, M.J.Vermeulen, N.Warr, H.De Witte, M.Zielinska

Spectroscopy of Low-lying States in 140Sm

NUCLEAR REACTIONS 94Mo(140Sm, 140Sm'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 140Sm; deduced energy levels, J, π, angular correlation coefficients, B(E2). GOSIA analysis.

doi: 10.5506/APhysPolB.46.607
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2015SO20      Phys.Rev.Lett. 115, 172501 (2015)

C.Sotty, M.Zielinska, G.Georgiev, D.L.Balabanski, A.E.Stuchbery, A.Blazhev, N.Bree, R.Chevrier, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, L.P.Gaffney, K.Geibel, K.Hadynska-Klek, F.G.Kondev, J.Konki, T.Kroll, P.Morel, P.Napiorkowski, J.Pakarinen, P.Reiter, M.Scheck, M.Seidlitz, B.Siebeck, G.Simpson, H.Tornqvist, N.Warr, F.Wenander

3797Rb60: The Cornerstone of the Region of Deformation around A ∼ 100

NUCLEAR REACTIONS 60Ni(97Rb, 97Rb'), (99Rb, 99Rb'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 97,99Rb; deduced γ-ray energies and intensities, J, π, B(E2), B(M1). Comparison with Nilsson model, available data.

doi: 10.1103/PhysRevLett.115.172501
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2014BR05      Phys.Rev.Lett. 112, 162701 (2014)

N.Bree, K.Wrzosek-Lipska, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, J.Butterworth, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, L.P.Gaffney, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, A.Wiens, J.L.Wood, M.Zielinska

Shape Coexistence in the Neutron-Deficient Even-Even 182-188Hg Isotopes Studied via Coulomb Excitation

NUCLEAR REACTIONS 120Sn, 107Ag, 112,114Cd(182Hg, 182Hg'), (184Hg, 184Hg'), (186Hg, 186Hg'), (188Hg, 188Hg'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 182,184,186,188Hg; deduced energy levels, J, π, nuclear matrix elements, B(E2). Comparison with IBM calculations, experimental data.

doi: 10.1103/PhysRevLett.112.162701
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2014HE29      Phys.Rev. C 90, 051303 (2014)

J.Henderson, D.G.Jenkins, K.Kaneko, P.Ruotsalainen, P.Sarriguren, K.Auranen, M.A.Bentley, P.J.Davies, A.Gorgen, T.Grahn, P.T.Greenlees, A.Hay, T.W.Henry, A.Herzan, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Leino, C.McPeake, S.Milne, A.J.Nichols, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, E.Sahin, M.Sandzelius, J.Saren, C.Scholey, M.Siciliano, L.Sinclair, J.Sorri, S.Stolze, J.Uusitalo, R.Wadsworth, M.Zielinska

Spectroscopy on the proton drip-line: Probing the structure dependence of isospin nonconserving interactions

NUCLEAR REACTIONS 40Ca(36Ar, 2n)74Sr, E=105 MeV; measured Eγ, Iγ, γγ-coin, Eβ, ΔE-E, TOF, half-lives of 74Sr and 74Rb ground states using RITU separator and JUROGAM II array at Jyvaskyla K130 cyclotron facility. Recoil-beta tagging technique. 74Sr, 74Rb; deduced levels, J, π, T=1 triplet energy differences (TEDs) for 74Sr, 74Rb and 74Kr. Comparison with State-of-the-art shell-model calculations using the JUN45 interaction, and isospin nonconserving (INC) interaction.

RADIOACTIVITY 74Sr, 74Rb(β+)[from 40Ca(36Ar, X), E=105 MeV]; measured half-lives of ground states.

doi: 10.1103/PhysRevC.90.051303
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2014PL01      Phys.Rev. C 89, 021302 (2014)

C.Plaisir, L.Gaudefroy, V.Meot, A.Blanc, J.M.Daugas, O.Roig, N.Arnal, T.Bonnet, F.Gobet, F.Hannachi, M.Tarisien, M.Versteegen, T.Roger, M.Rejmund, A.Navin, C.Schmitt, G.Fremont, J.Goupil, J.Pancin, C.Spitaels, M.Zielinska

In-flight fast-timing measurements in 152Sm

NUCLEAR REACTIONS 152Sm(136Xe, 152Sm'), E=5.09 MeV/nucleon; measured time-of-flight of recoiling nuclei using VAMOS spectrometer, Eγ, Iγ, γγ-coin level half-lives by in-flight fast-timing (IFFT) technique using LaBr3 detectors at GANIL facility. Coulomb excitation. 152Sm; deduced levels, J, π, transition quadrupole moments from level half-lives of ground-state band members. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.89.021302
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2014RE15      Phys.Rev. C 90, 067301 (2014)

J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, M.Pfeiffer, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, L.M.Fraile, H.Mach, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, M.Thurauf, S.Lalkovski, D.Ivanova, S.Kisyov, W.Korten, M.-D.Salsac, M.Zielinska, N.Marginean, D.G.Ghita, R.Lica, C.M.Petrache, A.Astier, R.Leguillon

B(E2;2+1 → 0+1) value in 90Kr

NUCLEAR REACTIONS 235U(n, F), E=cold; measured prompt-fission Eγ, γγγ-coin, half-life of first 2+ state in 90Kr by fast timing technique using segmented array of Ge and Ce-doped LaBr3 detectors (EXILL and FATIMA) at ILL, Grenoble facility. 90Kr; deduced level, B(E2) of first 2+ state. Systematics of B(E2) values of first 2+ states in 86,88,90,92,94,96Kr. Comparison with IBM-2 calculations.

doi: 10.1103/PhysRevC.90.067301
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2013AL05      Nucl.Phys. A899, 1 (2013); Erratum Nucl.Phys. A947, 260 (2016)

M.Albers, K.Nomura, N.Warr, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, M.Scheck, M.Seidlitz, B.Siebeck, G.S.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska

Shape dynamics in neutron-rich Kr isotopes: Coulomb excitation of 92Kr, 94Kr and 96Kr

NUCLEAR REACTIONS 194,196Pt(92Kr, 92Kr'), (94Kr, 94Kr'), (96Kr, 96Kr'), E=2.85 MeV/nucleon; measured projectile and target E, I(θ, t) using DSSD, Eγ, Iγ(θ) from Coulomb excitation using HPGe array and considering Doppler correction, (particle)γ-coin; calculated electromagnetic matrix elements, γ-ray yields using CC code GOSIA2, energy vs deformation using IBM-2 with self-consistent constrained HFB with Gogny functional; deduced Coulomb excitation σ, electromagnetic matrix elements using fit to data, B(E2), quadrupole moments, IBM-2 Hamiltonian parameters. 96Kr calculated levels, J, π; deduced shape coexistence.

doi: 10.1016/j.nuclphysa.2013.01.013
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2013CE01      Acta Phys.Pol. B44, 375 (2013)

I.Celikovic, A.Dijon, E.Clement, G.de France, P.Van Isacker, J.Ljungvall, C.Fransen, G.Georgiev, A.Gorgen, A.Gottardo, M.Hackstein, T.W.Hagen, C.Louchart, P.Napiorkowski, A.Obertelli, F.Recchia, W.Rother, S.Siem, B.Sulignano, P.Ujic, J.J.Valiente-Dobon, M.Zielinska

Lifetime Measurements of Zn Isotopes Around N = 40

NUCLEAR REACTIONS 70Zn(238U, X)70Zn/72Zn, E=6.76 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced B(E2). Recoil Distance Doppler Shift method.

doi: 10.5506/APhysPolB.44.375
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2013GA23      Nature 497, 199 (2013)

L.P.Gaffney, P.A.Butler, M.Scheck, A.B.Hayes, F.Wenander, M.Albers, B.Bastin, C.Bauer, A.Blazhev, S.Bonig, N.Bree, J.Cederkall, T.Chupp, D.Cline, T.E.Cocolios, T.Davinson, H.De Witte, J.Diriken, T.Grahn, A.Herzan, M.Huyse, D.G.Jenkins, D.T.Joss, N.Kesteloot, J.Konki, M.Kowalczyk, Th.Kroll, E.Kwan, R.Lutter, K.Moschner, P.Napiorkowski, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, K.Reynders, S.V.Rigby, L.M.Robledo, M.Rudigier, S.Sambi, M.Seidlitz, B.Siebeck, T.Stora, P.Thoele, P.Van Duppen, M.J.Vermeulen, M.von Schmid, D.Voulot, N.Warr, K.Wimmer, K.Wrzosek-Lipska, C.Y.Wu, M.Zielinska

Studies of pear-shaped nuclei using accelerated radioactive beams

NUCLEAR REACTIONS 60Ni, 112,114Cd, 120Sn(220Rn, 220Rn'), (224Ra, 224Ra'), E=2.82, 2.83 MeV/nucleon; [220Rn and 224Ra secondary beams from U(p, X), E=1.4 GeV primary reaction]; measured Eγ, Iγ, γγ-, (particle)γγ-, (particle)(particle)γ-coin using Miniball array and DSSSDs at REX-EBIS-ISOLDE-CERN facility. 220Rn, 224Ra; deduced levels, J, π, γ-branching ratios, electromagnetic matrix elements, B(E1), B(E2), B(E3), Q1, Q2, Q3, octupole collectivity and deformation. Discussed electric dipole moment (EDM). Coulomb excitation data analyzed using GOSIA computer code. Comparison with self-consistent mean-field theory, and cluster model calculations. Systematics of Q1, Q2 and Q3 for 218,220,222,224,226Rn, 220,222,224,226,228Ra.

doi: 10.1038/nature12073
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2013HA06      Acta Phys.Pol. B44, 617 (2013)

K.Hadynska-Klek, P.J.Napiorkowski, A.Maj, F.Azaiez, M.Kicinska-Habior, J.J.Valiente-Dobon, G.de Angelis, T.Abraham, G.Anil Kumar, B.-Q.Arnes, D.Bazzacco, M.Bellato, D.Bortolato, P.Bednarczyk, G.Benzoni, L.Berti, B.Birkenbach, B.Bruyneel, S.Brambilla, F.Camera, J.Chavas, M.Ciemala, P.Cocconi, P.Coleman-Smith, A.Colombo, A.Corsi, F.C.L.Crespi, D.M.Cullen, A.Czermak, P.Desesquelles, B.Dulny, J.Eberth, E.Farnea, B.Fornal, S.Franchoo, A.Gadea, A.Giaz, A.Gottardo, X.Grave, J.Grebosz, M.Gulmini, T.Habermann, R.Isocrate, J.Iwanicki, G.Jaworski, A.Jungclaus, N.Karkour, M.Kmiecik, D.Karpinski, M.Kisielinski, N.Kondratyev, A.Korichi, M.Komorowska, M.Kowalczyk, W.Korten, M.Krzysiek, G.Lehaut, S.Leoni, A.Lopez-Martens, S.Lunardi, G.Maron, K.Mazurek, R.Menegazzo, D.Mengoni, E.Merchan, W.Meczynski, C.Michelagnoli, J.Mierzejewski, B.Million, P.Molini, S.Myalski, D.R.Napoli, R.Nicolini, M.Niikura, A.Obertelli, S.F.Ozmen, M.Palacz, A.Pullia, G.Rampazzo, F.Recchia, N.Redon, P.Reiter, D.Rosso, K.Rusek, E.Sahin, M.-D.Salsac, P.-A.Soderstrom, J.Srebrny, I.Stefan, O.Stezowski, J.Styczen, Ch.Theisen, N.Toniolo, C.A.Ur, V.Vandone, R.Wadsworth, B.Wasilewska, A.Wiens, K.Wrzosek-Lipska, M.Zielinska, M.Zieblinski

Towards the Determination of Superdeformation in 42Ca

NUCLEAR REACTIONS 208Pb(42Ca, 42Ca'), (42Ca, 43Ca)207Pb, E=170 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin. 42Ca; deduced energy levels, J, π, quadrupole deformation parameters, bands, B(E2), superdeformation with large uncertainties. FRESCO code calculations.

doi: 10.5506/APhysPolB.44.617
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2013LO04      Phys.Rev. C 87, 054302 (2013)

C.Louchart, A.Obertelli, A.Gorgen, W.Korten, D.Bazzacco, B.Birkenbach, B.Bruyneel, E.Clement, P.J.Coleman-Smith, L.Corradi, D.Curien, G.de Angelis, G.de France, J.-P.Delaroche, A.Dewald, F.Didierjean, M.Doncel, G.Duchene, J.Eberth, M.N.Erduran, E.Farnea, C.Finck, E.Fioretto, C.Fransen, A.Gadea, M.Girod, A.Gottardo, J.Grebosz, T.Habermann, M.Hackstein, T.Huyuk, J.Jolie, D.Judson, A.Jungclaus, N.Karkour, S.Klupp, R.Krucken, A.Kusoglu, S.M.Lenzi, J.Libert, J.Ljungvall, S.Lunardi, G.Maron, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Million, P.Molini, O.Moller, G.Montagnoli, D.Montanari, D.R.Napoli, R.Orlandi, G.Pollarolo, A.Prieto, A.Pullia, B.Quintana, F.Recchia, P.Reiter, D.Rosso, W.Rother, E.Sahin, M.-D.Salsac, F.Scarlassara, M.Schlarb, S.Siem, P.P.Singh, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, B.Sulignano, S.Szilner, Ch.Theisen, C.A.Ur, J.J.Valiente-Dobon, M.Zielinska

Collective nature of low-lying excitations in 70, 72, 74Zn from lifetime measurements using the AGATA spectrometer demonstrator

NUCLEAR REACTIONS 238U(76Ge, X), E=577 MeV; measured Eγ, Iγ, (ion)γ-coin, level half-lives of first 2+, 4+ and 6+ states by recoil-distance Doppler shift method using a plunger device, AGATA array and PRISMA magnetic spectrometer at INFN, Legnaro facility. 70,72,74Zn, 76Ge; deduced levels, J, π, B(E2). Comparison with previous experimental studies, and with the state-of-the-art shell-model calculations. Discussed need for new measurements of level half-lives.

doi: 10.1103/PhysRevC.87.054302
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2012AL03      Phys.Rev.Lett. 108, 062701 (2012); Erratum Phys.Rev.Lett. 109, 209904 (2012)

M.Albers, N.Warr, K.Nomura, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, T.Otsuka, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, P.Sarriguren, M.Scheck, M.Seidlitz, B.Siebeck, G.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska

Evidence for a Smooth Onset of Deformation in the Neutron-Rich Kr Isotopes

NUCLEAR REACTIONS 194,196Pt(94Kr, 94Kr'), (96Kr, 96Kr'), 285 MeV/nucleon; measured reaction products, Eγ, Iγ. 94,96Kr; deduced J, π, B(E2), spectroscopic quadrupole moments. Comparison with IBM calculations based on the constrained HFB approach using the microscopic Gogny-D1M energy density functional.

doi: 10.1103/PhysRevLett.108.062701
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2012KO22      Phys.Rev. C 85, 064605 (2012)

Z.Kohley, M.Colonna, A.Bonasera, L.W.May, S.Wuenschel, M.Di Toro, S.Galanopoulos, K.Hagel, M.Mehlman, W.B.Smith, G.A.Souliotis, S.N.Soisson, B.C.Stein, R.Tripathi, S.J.Yennello, M.Zielinska-Pfabe

Sensitivity of intermediate mass fragment flows to the symmetry energy

NUCLEAR REACTIONS 70Zn(70Zn, X), 64Zn(64Zn, X), 64Ni(64Ni, X), E=35 MeV/nucleon; measured charged particle and neutron spectra, and intermediate mass fragment transverse flow using NIMROD-ISiS array and 4π TAMU Neutron Ball at Texas AM. Comparison with Antisymmetrized molecular dynamics (AMD), constrained molecular dynamics (CoMD), and stochastic mean-field model (SFM) calculations. Sensitivity of the model to the nEoS.

doi: 10.1103/PhysRevC.85.064605
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2012PE02      Acta Phys.Pol. B43, 273 (2012)

J.Perkowski, J.Andrzejewski, T.Abraham, W.Czarnacki, Ch.Droste, E.Grodner, L.Janiak, M.Kisielinski, M.Kowalczyk, J.Kownacki, J.Mierzejewski, A.Korman, J.Samorajczyk, J.Srebrny, A.Stolarz, M.Zielinska

Isomeric State 8- in 130Ba Studied by Conversion-electron and Gamma-ray Spectroscopy

NUCLEAR REACTIONS 122Sn(12C, 4n)130Ba, E=68 MeV; measured reaction products, Eγ, Iγ, ce, e-γ-, γγ-coin.; deduced J, π, decay of the isomeric state, internal conversion coefficients. Comparison with theoretical predictions.

doi: 10.5506/APhysPolB.43.273
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2012SU22      Phys.Rev. C 86, 044318 (2012)

B.Sulignano, Ch.Theisen, J.-P.Delaroche, M.Girod, J.Ljungvall, D.Ackermann, S.Antalic, O.Dorvaux, A.Drouart, B.Gall, A.Gorgen, P.T.Greenlees, K.Hauschild, R.-D.Herzberg, F.P.Hessberger, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, W.Korten, M.Leino, A.Lopez-Martens, M.Nyman, A.Obertelli, J.Pakarinen, P.Papadakis, E.Parr, P.Peura, J.Piot, P.Rahkila, D.Rostron, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, M.Venhart, M.Zielinska

Investigation of high-K states in 252No

NUCLEAR REACTIONS 206Pb(48Ca, 2n), E=218 MeV; measured Eγ, Iγ, γγ-, γ(ce)-coin, E(ce), I(ce), Eα, isomer half-life using RITU separator, GREAT spectrometer and JUROGAM array at Jyvaskyla facility. 252No; deduced levels, J, π, rotational bands, configuration, high-K states, hindrance factors. 250Fm, 252No; systematics of dynamic moments of inertia and proton pairing energies. Comparison with Hartree-Fock-Bogoliubov (HFB) mean-field calculations.

RADIOACTIVITY 252No(α), (SF); measured Eα, Iα, (evaporation residues)α correlations, half-life, branching ratios for decay modes. 244Cf, 248,250Fm, 253,254No(α); measured α spectrum.

doi: 10.1103/PhysRevC.86.044318
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2012WR03      Phys.Rev. C 86, 064305 (2012)

K.Wrzosek-Lipska, L.Prochniak, M.Zielinska, J.Srebrny, K.Hadynska-Klek, J.Iwanicki, M.Kisielinski, M.Kowalczyk, P.J.Napiorkowski, D.Pietak, T.Czosnyka

Electromagnetic properties of 100Mo: Experimental results and theoretical description of quadrupole degrees of freedom

NUCLEAR REACTIONS 100Mo(32S, 32S'), E=76 MeV; measured Eγ, Iγ, γ(θ), (particle)γ-coin using OSIRIS-II array. 100Mo; deduced levels, J, π, E1, E2, E3, M1 reduced matrix elements using GOSIA code, shape deformation parameters, Q2 (quadrupole overall deformation parameter) and cos(3δ) (quadrupole asymmetry parameter). Coulomb excitation. Level and B(E2) systematics of even-even Mo isotopes from N=50-64. Comparison with general quadrupole collective Bohr Hamiltonian (GBH) model.

NUCLEAR STRUCTURE 100Mo; calculated levels, J, π, potential energy surfaces, E2 matrix elements. general quadrupole collective Bohr Hamiltonian (GBH) model.

doi: 10.1103/PhysRevC.86.064305
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2011CL03      Int.J.Mod.Phys. E20, 415 (2011)

E.Clement, G.De France, J.M.Casandjian, A.Gorgen, W.Korten, E.Bouchez, A.Chatillon, A.Hurstel, Y.Le Coz, A.Obertelli, C.Theisen, J.N.Wilson, J.-P.Delaroche, M.Girod, H.Goutte, S.Peru, T.Czosnyka, J.Iwanicki, P.J.Napiorkowski, J.Srebrny, K.Wrzosek-Lipska, M.Zielinska, N.Bree, I.Stefanescu, J.Van De Walle, C.Andreoiu, P.A.Butler, R.-D.Herzberg, D.G.Jenkins, G.D.Jones, A.Petts, F.Becker, J.Gerl, W.N.Catford, C.N.Timis, G.Sletten, G.Georgiev, J.Ljungvall

Experimental measurement of the deformation through the electromagnetic probe: shape coexistence in exotic Kr and Sr isotopes

NUCLEAR REACTIONS 208Pb(72Kr, 72Kr'), (74Kr, 74Kr'), (76Kr, 76Kr'), (78Kr, 78Kr'), E=4.5 MeV/nucleon; 109Ag, 120Sn(96Sr, 96Sr'), E not given; measured reaction products, Eγ, Iγ. 72,74,76,78Kr, 96Sr; deduced static quadrupole moments, B(E2). Comparison with systematics and HFB calculations.

doi: 10.1142/S0218301311017806
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2011DI04      Acta Phys.Pol. B42, 829 (2011)

A.Dijon, J.Ljungvall, E.Clement, G.de France, P.Van Isacker, A.Gorgen, A.Obertelli, W.Korten, J.P.Delaroche, A.Dewald, A.Gadea, L.Gaudefroy, M.Girod, M.Hackstein, J.Libert, D.Mengoni, T.Pissula, F.Recchia, M.Rejmund, W.Rother, E.Sahin, C.Schmitt, A.Shrivastava, J.J.Valiente-Dobon, K.O.Zell, M.Zielinska

Lifetime Measurements in Neutron-rich Fe and Co Isotopes

NUCLEAR REACTIONS 64Ni(238U, X)62Fe/64Fe/63Co/65Co, E=6.5 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced lifetimes of yrast states, B(E2).

doi: 10.5506/APhysPolB.42.829
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2011DI07      Eur.Phys.J. A 47, 25 (2011)

D.D.DiJulio, J.Cederkall, C.Fahlander, A.Ekstrom, P.Golubev, D.D.DiJulio, J.Cederkall, C.Fahlander, A.Ekstrom, P.Golubev, K.Mattsson, D.Rudolph, G.de Angelis, S.Aydin, A.Y.Deo, E.Farnea, G.Farrelly, K.Geibel, C.He, J.Iwanicki, R.Kempley, N.Marginean, R.Menegazzo, D.Mengoni, R.Orlandi, Z.Podolyak, F.Recchia, P.Reiter, E.Sahin, J.Smith, P.A.Soderstrom, D.A.Torres, G.M.Tveten, C.A.Ur, J.J.Valiente-Dobon, A.Wendt, M.Zielinska

Electromagnetic properties of vibrational bands in 170Er

NUCLEAR REACTIONS 170Er(32S, 32S'), E=117 MeV; measured reaction products, Eγ, Iγ; deduced level energies, J, π, γ-ray intensities, γ-vibrational band, E2 matrix elements. Coulomb excitation code GOSIA.

doi: 10.1140/epja/i2011-11025-4
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2011DI08      Phys.Rev. C 83, 064321 (2011)

A.Dijon, E.Clement, G.de France, P.Van Isacker, J.Ljungvall, A.Gorgen, A.Obertelli, W.Korten, A.Dewald, A.Gadea, L.Gaudefroy, M.Hackstein, D.Mengoni, Th.Pissulla, F.Recchia, M.Rejmund, W.Rother, E.Sahin, C.Schmitt, A.Shrivastava, J.J.Valiente-Dobon, K.O.Zell, M.Zielinska

Lifetime measurements in 63Co and 65Co

NUCLEAR REACTIONS 64Ni(238U, X), E=6.5 MeV/nucleon; measured particle spectra, Eγ, Iγ, γγ-coin, half-lives by recoil distance Doppler shift and the differential decay curve methods with a plunger device EXOGAM array. 63,65Co; deduced levels, J, π, B(E2). Systematics of excitation energies and B(E2) values in the even-N Fe, Co, and Ni nuclides. Comparison with large-scale shell model calculations in the pf and pfg9/2 valence space.

doi: 10.1103/PhysRevC.83.064321
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2011KO08      Phys.Rev. C 83, 027301 (2011)

J.Kownacki, Ch.Droste, T.Morek, E.Ruchowska, R.M.Lieder, M.Kisielinski, M.Kowalczyk, J.Andrzejewski, J.Perkowski, P.J.Napiorkowski, K.Wrzosek-Lipska, M.Zielinska, A.Kordyasz, A.Korman, K.Hadynska-Klek, E.Grodner, J.Mierzejewski, J.Srebrny

Decay properties of long-lived isomers in the odd-odd N = 81 nucleus 146Tb compared to the 148Ho and 150Tm nuclei

RADIOACTIVITY 146Tb(β+), (EC); measured Eγ, Iγ, γγ. 146Gd; deduced levels, J, π, I(β+ϵ) feedings, Logft values.

NUCLEAR REACTIONS 112Sn(40Ar, 3n3p), E=232 MeV; measured Eγ, Iγ, ce, level half-lives. 146Tb; deduced levels, J, π, conversion coefficients, multipolarity, isomers, configurations, B(M1)/B(E2) ratios. Comparison with systematics of isomers and level structures of 148Ho and 150Tm. Comparison with shell-model predictions.

doi: 10.1103/PhysRevC.83.027301
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2011KO17      Phys.Rev. C 83, 044601 (2011)

Z.Kohley, L.W.May, S.Wuenschel, M.Colonna, M.Di Toro, M.Zielinska-Pfabe, K.Hagel, R.Tripathi, A.Bonasera, G.A.Souliotis, D.V.Shetty, S.Galanopoulos, M.Mehlman, W.B.Smith, S.N.Soisson, B.C.Stein, S.J.Yennello

Transverse collective flow and midrapidity emission of isotopically identified light charged particles

NUCLEAR REACTIONS 64Ni(64Ni, X), 64Zn(64Zn, X), 70Zn(70Zn, X), E=35 MeV/nucleon; measured particle spectra and yields of light-charged particles (ZA=1-12) using 4π NIMROD-ISiS array; deduced rapidity distribution, transverse flow and average in-plane momentum. Comparison with stochastic mean-field (SMF) model.

doi: 10.1103/PhysRevC.83.044601
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2011RA42      Phys.Rev. C 84, 064323 (2011)

E.Rapisarda, I.Stefanescu, D.L.Balabanski, B.Bastin, A.Blazhev, N.Bree, M.Danchev, B.Bruyneel, T.Davinson, P.Delahaye, J.Diriken, J.Eberth, G.Georgiev, D.Fedorov, V.N.Fedosseev, E.Fiori, S.Franchoo, Ch.Fransen, K.Geibel, K.Gladnishki, K.Hadynska, H.Hess, K.Heyde, M.Huyse, O.Ivanov, J.Iwanicki, J.Jolie, M.Kalkuehler, Th.Kroll, R.Krucken, U.Koster, G.Lo Bianco, R.Lozeva, B.A.Marsh, S.Nardelli, F.Nowacki, N.Patronis, P.Reiter, M.Seidlitz, K.Sieja, N.Smirnova, J.Srebrny, J.Van de Walle, P.Van Duppen, N.Warr, F.Wenander, K.Wimmer, K.Wrzosek, S.Zemlyanoi, M.Zielinska

Coulomb excitation of the 3- isomer in 70Cu

NUCLEAR REACTIONS 120Sn(70Cu, 70Cu'), [3- and 6- 70Cu beams from U(p, X), E=1.4 GeV], E=2.8 MeV/nucleon; measured Eγ, Iγ, γγ-coin, particle spectra of scattered projectile and recoiling target nuclei, particle-γ coin. 70Cu; deduced levels, J, π, transition matrix elements, B(E2), configurations. On-Line Isotope Mass Separator (CERN-ISOLDE) facility. Comparison with shell model calculations and with B(E2) values in 68,72Cu.

doi: 10.1103/PhysRevC.84.064323
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2011WR01      Acta Phys.Pol. B42, 803 (2011)

K.Wrzosek-Lipska, M.Zielinska, K.Hadynska-Klek, J.Iwanicki, M.Kisielinski, M.Kowalczyk, P.J.Napiorkowski, D.Pietak, J.Srebrny

Quadrupole Moment of the 2+1 State in 100Mo

NUCLEAR REACTIONS 100Mo(32S, 32S'), E not given; measured reaction products, Eγ, Iγ, particle-γ-coin. 100Mo; deduced quadrupole moment.

doi: 10.5506/APhysPolB.42.803
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2011WR02      Int.J.Mod.Phys. E20, 443 (2011)

K.Wrzosek-Lipska, M.Zielinska, K.Hadynska-Klek, Y.Hatsukawa, J.Iwanicki, J.Katakura, M.Kisielinski, M.Koizumi, M.Kowalczyk, H.Kusakari, M.Matsuda, T.Morikawa, P.J.Napiorkowski, A.Osa, M.Oshima, D.Pietak, L.Prochniak, T.Shizuma, J.Srebrny, M.Sugawara, Y.Toh

Shape evolution in heaviest stable even-even molybdenum isotopes studied via Coulomb excitation

NUCLEAR STRUCTURE 96,98,100Mo; analyzed available data using quadrupole sum rule formalism; deduced electromagnetic reduced matrix elements using GOSIA code. Comparison with microscopic calculations.

doi: 10.1142/S0218301311017831
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2010EK01      Eur.Phys.J. A 44, 355 (2010)

A.Ekstrom, J.Cederkall, C.Fahlander, M.Hjorth-Jensen, T.Engeland, A.Blazhev, P.A.Butler, T.Davinson, J.Eberth, F.Finke, A.Gorgen, M.Gorska, A.M.Hurst, O.Ivanov, J.Iwanicki, U.Koster, B.A.Marsh, J.Mierzejewski, P.Reiter, S.Siem, G.Sletten, I.Stefanescu, G.M.Tveten, J.Van de Walle, D.Voulot, N.Warr, D.Weisshaar, F.Wenander, M.Zielinska

Coulomb excitation of the odd-odd isotopes 106, 108In

NUCLEAR REACTIONS 58Ni(106In, 106In'), (108In, 108In'), E=2.8 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following Coulomb excitation at the REX-ISOLDE facility. 106,108In; deduced levels, J, π, B(E2); calculated low-lying level properties, E2, M1 matrix elements using shell model plus coupled channels.

doi: 10.1140/epja/i2010-10945-7
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2010KO12      Phys.Rev. C 81, 044305 (2010); Erratum Phys.Rev. C 82, 029905 (2010)

J.Kownacki, Ch.Droste, T.Morek, E.Ruchowska, M.Kisielinski, M.Kowalczyk, R.M.Lieder, J.Perkowski, J.Andrzejewski, P.J.Napiorkowski, K.Wrzosek-Lipska, M.Zielinska, A.Kordyasz, A.Korman, W.Czarnacki, K.Hadynska-Klek, E.Grodner, J.Srebrny, J.Mierzejewski, A.Krol

Nuclear spectroscopy above isomers in 67148Ho81 and 67149Ho82 nuclei: Search for core-excited states in 149Ho

NUCLEAR REACTIONS 112Sn(40Ar, 3np), (40Ar, 2np), E=202, 206, 232 MeV; 114Sn(40Ar, 4np), (40Ar, 5np), E=202, 206, 232 MeV; measured Eγ, Iγ, ce, γ(θ), γγ-, eγ-coin, γγ(t), isomer half-lives using OSIRIS-II array. 148,149Ho; deduced levels, J, π, multipolarities, and configurations. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.81.044305
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2010LJ01      Phys.Rev. C 81, 061301 (2010)

J.Ljungvall, A.Gorgen, A.Obertelli, W.Korten, E.Clement, G.de France, A.Burger, J.-P.Delaroche, A.Dewald, A.Gadea, L.Gaudefroy, M.Girod, M.Hackstein, J.Libert, D.Mengoni, F.Nowacki, T.Pissulla, A.Poves, F.Recchia, M.Rejmund, W.Rother, E.Sahin, C.Schmitt, A.Shrivastava, K.Sieja, J.J.Valiente-Dobon, K.O.Zell, M.Zielinska

Onset of collectivity in neutron-rich Fe isotopes: Toward a new island of inversion?

NUCLEAR REACTIONS 64Ni(238U, X), E=6.5 MeV/nucleon; measured Eγ, Iγ, (recoil)γ-coin, γ(θ), half-lives of first 2+ states by RDDS method using the Exogam array. 62,64Fe; deduced B(E2). Z=24-30, N=32-42; systematics of energies and B(E2) of first 2+ states in even-even nuclei. Comparison with large-scale shell-model and Hartree-Fock-Bogolyubov based configuration-mixing calculations using the Gogny D1S interaction. New Island of inversion.

doi: 10.1103/PhysRevC.81.061301
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