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NSR database version of April 11, 2024.

Search: Author = P.R.John

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2023MA37      Phys.Lett. B 844, 138067 (2023)

N.Marchini, A.Nannini, M.Rocchini, T.R.Rodriguez, M.Ottanelli, N.Gelli, A.Perego, G.Benzoni, N.Blasi, G.Bocchi, D.Brugnara, A.Buccola, G.Carozzi, A.Goasduff, E.T.Gregor, P.R.John, M.Komorowska, D.Mengoni, F.Recchia, S.Riccetto, D.Rosso, A.Saltarelli, M.Siciliano, J.J.Valiente-Dobon, I.Zanon

Emergence of triaxiality in 74Se from electric monopole transition strengths

RADIOACTIVITY 74Br(β+) [from 60Ni(16O, np), E=45 MeV]; measured decay products, Eβ, Iβ; deduced conversion electrons, K-internal conversion coefficients, monopole transition strength, triaxiality and a complex shape-coexistence and mixing scenario. Comparison with theoretical calculations, BRICC. The Tandem-XTU accelerator at the INFN Legnaro National Laboratory (LNL).

doi: 10.1016/j.physletb.2023.138067
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2023PE06      Phys.Rev. C 107, 044301 (2023)

L.G.Pedersen, E.Sahin, A.Gorgen, F.L.Bello Garrote, Y.Tsunoda, T.Otsuka, M.Niikura, S.Nishimura, Z.Xu, H.Baba, G.Benzoni, F.Browne, A.M.Bruce, S.Ceruti, F.C.L.Crespi, R.Daido, G.de Angelis, M.-C.Delattre, Zs.Dombradi, P.Doornenbal, Y.Fang, S.Franchoo, G.Gey, A.Gottardo, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, T.Miyazaki, V.Modamio, S.Momiyama, A.I.Morales, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Z.Vajta, J.J.Valiente-Dobon, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, R.Yokoyama, K.Yoshinaga

First spectroscopic study of odd-odd 78Cu

RADIOACTIVITY 78Ni(β-)[from 9Be(238U, X), E=345 MeV/nucleon]; measured Eγ, Iγ, βγ-coin, γγ-coin; deduced β-feeding, γ-transition intensities. 78Cu; deduced levels J, π, T1/2 of isomer state. Comparison with Monte Carlo shell model (MCSM) calculations. Wide-range active silicon-strip stopper array for beta and ion detection (WAS3ABi) with EURICA HPGe cluster det ector array at RIBF (RIKEN).

NUCLEAR STRUCTURE 78Cu; calculated levels, J, π, occupation numbers of proton and neutron orbitals, excitation energies of the negative-parity multiplets, configurations. Monte Carlo shell model calculations performed using A3DA-m interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.107.044301
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2022DA06      Phys.Rev. C 105, L031304 (2022)

B.Das, B.Cederwall, C.Qi, M.Gorska, P.H.Regan, O.Aktas, H.M.Albers, A.Banerjee, M.M.R.Chishti, J.Gerl, N.Hubbard, S.Jazrawi, J.Jolie, A.K.Mistry, M.Polettini, A.Yaneva, S.Alhomaidhi, J.Zhao, T.Arici, S.Bagchi, G.Benzoni, P.Boutachkov, T.Davinson, T.Dickel, E.Haettner, O.Hall, Ch.Hornung, J.P.Hucka, P.R.John, I.Kojouharov, R.Knobel, D.Kostyleva, N.Kuzminchuk, I.Mukha, W.R.Plass, B.S.Nara Singh, J.Vasiljevic, S.Pietri, Zs.Podolyak, M.Rudigier, H.Rosch, E.Sahin, H.Schaffner, C.Scheidenberger, F.Schirru, A.Sharma, R.Shearman, Y.Tanaka, J.Vesic, H.Weick, H.J.Wollersheim, U.Ahmed, A.Algora, C.Appleton, J.Benito, A.Blazhev, A.Bracco, A.M.Bruce, M.Brunet, R.Canavan, A.Esmaylzadeh, L.M.Fraile, G.Hafner, H.Heggen, D.Kahl, V.Karayonchev, R.Kern, A.Korgul, G.Kosir, N.Kurz, R.Lozeva, M.Mikolajczuk, P.Napiralla, R.Page, C.M.Petrache, N.Pietralla, J.-M.Regis, P.Ruotsalainen, L.Sexton, V.Sanchez-Temble, M.Si, J.Vilhena, V.Werner, J.Wiederhold, W.Witt, P.J.Woods, G.Zimba

Nature of seniority symmetry breaking in the semimagic nucleus 94Ru

RADIOACTIVITY 95mPd(β+p)[from 9Be(124Xe, F), E=850 MeV/nucleon];measured Eγ, Iγ, Ep, Ip, γγ-coin, pγ-coin. 94Ru; deduced T1/2 of low-lying excited states, B(E2). Comparison to shell-model calculations. Ions were separated with FRS at GSI and implanted in the Advanced Implantation Detector Array (AIDA), composed of three double-sided silicon strip detectors (DSSSDs) situated at the center of the DEcay SPECtroscopy (DESPEC) setup, comprised of a hybrid array of six triple cluster high-purity germanium (HPGe) detectors and 36 LaBr3(Ce) detectors of the FAst TIMing Array (FATIMA).

doi: 10.1103/PhysRevC.105.L031304
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2022HU22      Phys.Rev. C 106, 064331 (2022)

Z.Huang, G.X.Zhang, G.L.Zhang, S.P.Hu, S.M.Lenzi, D.Mengoni, J.L.Ferreira, Y.F.Lv, J.B.Lu, B.Paes, E.N.Cardozo, H.Q.Zhang, H.B.Sun, J.J.Valiente-Dobon, D.Testov, A.Goasduff, D.Bazzacco, P.R.John, D.R.Napoli, F.Galtarossa, F.Recchia, G.de.Angelis, M.Siciliano, R.Menegazzo, J.Lubian

Level scheme study of 92Mo: Searching for evidence of core excitation

NUCLEAR REACTIONS 89Y(6Li, 3n), E=34 MeV; measured Eγ, Iγ; γγ-coin, γγ(θ). 92Mo; deduced levels, J, π, δ, B(E1), T1/2 of excited states, high-spin states, angular distribution from the oriented nuclei (ADO) ratio, configurations. Comparison to JUN45 and JJGLEM shell-model calculation. GALILEO γ-array consisting of 25 Compton suppressed HPGe and 8 BGO crystals served as the anti-Compton shield of each HPGe at XTU Tandem accelerator (INFN Legnaro National Laboratory).

doi: 10.1103/PhysRevC.106.064331
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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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2022RE11      Phys.Rev. C 106, 024323 (2022), Erratum Phys.Rev. C 107, 049902 (2023)

Z.Ren, J.-B.Lu, G.-L.Zhang, Y.-H.Wu, T.-J.Gao, K.-Y.Ma, Z.Huang, G.-X.Zhang, M.-L.Wang, S.-P.Hu, H.-B.Sun, H.-Q.Zhang, D.Testov, P.R.John, J.J.Valiente-Dobon, A.Goasduff, M.Siciliano, F.Galtarossa, D.Mengoni, D.Bazzacco

Reinvestigation of the level structures of the N=49 isotones 89Zr and 91Mo

NUCLEAR REACTIONS 89Y(6Li, 4n2p)89Zr, (6Li, 4n)91Mo, E=34 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), (particle)γ-coin using GALILEO array with 25 BGO-Compton-suppressed HPGe detectors for γ rays, and EUCLIDES 4π Si-ball array for charged particles at the Tandem-XTU accelerator of INFN-LNL, Legnaro. 89Zr, 91Mo; deduced high-spin levels, J, π, ADO ratios, multipolarities, configurations. 91Nb, 92Mo; deduced ADO ratios for certain γ-transitions. Comparison with spherical-basis shell-model calculations.

NUCLEAR STRUCTURE 89Zr, 91Mo; calculated levels, J, π, components of the wave functions and their partitions for spherical configurations for protons and neutrons. Comparison with experimental data. Systematics of energies in N=49 isotones: 9/2+, 13/2+, 17/2+, 21/2+, 23/2+ and 25/2+ states in 89Zr, 91Mo, 93Ru, 95Pd, and those of 8+, 9+, 10+, 12+, 13+ and 14+ in 88Y, 90Nb, 92Tc, 94Rh.

doi: 10.1103/PhysRevC.106.024323
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2021AS10      Nucl.Instrum.Methods Phys.Res. A1014, 165743 (2021)

M.Assie, E.Clement, A.Lemasson, D.Ramos, A.Raggio, I.Zanon, F.Galtarossa, C.Lenain, J.Casal, F.Flavigny, A.Matta, D.Mengoni, D.Beaumel, Y.Blumenfeld, R.Borcea, D.Brugnara, W.Catford, F.de Oliveira, F.Delaunay, N.De Sereville, F.Didierjean, C.Aa.Diget, J.Dudouet, B.Fernandez-Dominguez, C.Fougeres, G.Fremont, V.Girard Alcindor, A.Giret, A.Goasduff, A.Gottardo, J.Goupil, F.Hammache, P.R.John, A.Korichi, L.Lalanne, S.Leblond, A.Lefevre, F.Legruel, L.Menager, B.Million, C.Nicolle, F.Noury, E.Rauly, K.Rezynkina, E.Rindel, J.S.Rojo, M.Siciliano, M.Stanoiu, I.Stefan, L.Vatrinet

The MUGAST-AGATA-VAMOS campaign: Set-up and performances

NUCLEAR REACTIONS 2H(16O, p), E=6 MeV/nucleon; 2H(19O, p), E not given; 7Li(15O, t), E not given; measured reaction products, Eγ, Iγ, γ-γ-γ-coin. 17,20O, 19Ne; deduced γ-ray energies, σ(θ) for the 1/2+ state in 17O. Correction from Doppler effect, VAMOS spectrometer, SPIRAL1 facility.

doi: 10.1016/j.nima.2021.165743
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2021ES05      Phys.Rev. C 103, 064328 (2021)

S.Escrig, A.I.Morales, S.Nishimura, M.Niikura, A.Poves, Z.Y.Xu, G.Lorusso, F.Browne, P.Doornenbal, G.Gey, H.-S.Jung, Z.Li, P.-A.Soderstrom, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, H.Baba, S.Franchoo, T.Isobe, P.R.John, I.Kojouharov, S.Kubono, N.Kurz, I.Matea, K.Matsui, D.Mengoni, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, E.Sahin, H.Sakurai, H.Schaffner, I.G.Stefan, D.Suzuki, R.Taniuchi, V.Werner, D.Sohler

Persistence of the Z=28 shell gap in A=75 isobars: Identification of a possible (1/2-)μs isomer in 75Co and β decay to 75Ni

RADIOACTIVITY 75mCo(IT); 75Co(β-), (β-n)[from in-flight fission in 9Be(238U, F), E=345 MeV/nucleon, followed by separation of fragments of interest using BigRIPS separator and ZeroDegree spectrometer (ZDS) at RIBF-RIKEN facility]; measured Eγ, Iγ, βγ- and βγγ-coin, half-life of 75mCo decay by (ion)γ(t) using active beam stopper WAS3ABi with double-sided silicon strips detectors (DSSSDs) for fragment and β detection and EURICA array of 12 clusters HPGe detectors for γ rays. 74,75Ni; deduced levels, J, π, multipolarities of two transitions, configurations, β feedings, β-n feedings, logft values. 75Co; deduced lower limit of %β-n. 75mCo; deduced isomer, energy, J, π, transition multipolarity and half-life of the micro-sec isomer. Comparison with the large-scale shell-model calculations using PFSDG-U interaction in the pf-sdg space. Systematics of low-lying levels in 69,71,73,75Co.

doi: 10.1103/PhysRevC.103.064328
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2021GO15      Phys.Rev. C 103, L041302 (2021)

G.Gosta, A.Mentana, F.Camera, A.Bracco, S.Ceruti, G.Benzoni, N.Blasi, S.Brambilla, S.Capra, F.C.L.Crespi, A.Giaz, S.Leoni, B.Million, S.Riboldi, C.Porzio, S.Ziliani, O.Wieland, A.Nannini, M.Rocchini, N.Marchini, M.Ciemala, M.Kmiecik, A.Maj, B.Wasilewska, M.Zieblinski, D.Filipescu, J.Kaur, N.Marginean, S.Pascu, T.Glodariu, D.Ghita, V.Zamfir, J.J.Valiente-Dobon, G.de Angelis, F.Galtarossa, A.Goasduff, T.Bayram, A.Gadea, A.Montaner, I.Zanon, D.Brugnara, A.Gozzelino, G.Pasqualato, R.Menegazzo, A.Gottardo, G.Jaworski, S.Lenzi, D.Napoli, D.Testov, M.Siciliano, T.Marchi, D.Mengoni, D.Bazzacco, A.Boso, P.R.John, F.Recchia, R.Raabe, O.Poleshchuk, J.Yang

Probing isospin mixing with the giant dipole resonance in the 60Zn compound nucleus

NUCLEAR REACTIONS 32Si(28Si, X)60Zn*, E=86, 110 MeV; 32Si(30Si, X)62Zn*, E=75, 98 MeV; measured high-energy Eγ, Iγ using GALILEO array of 25 HPGe detectors and ten LaBr3(Ce) scintillators at the Tandem accelerator facility of INFN-Legnaro. 60,62Zn; deduced GDR parameters, Coulomb spreading widths, isospin mixing parameter at zero temperature and the isospin-symmetry-breaking correction for beta decay by analyzing experimental γ-spectra with statistical model calculations using a version of CASCADE code that included isospin formalism. Comparison of Coulomb spreading widths with the values for other mass regions deduced from GDR γ-decay measurements in other compound-nucleus reactions.

doi: 10.1103/PhysRevC.103.L041302
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2021GO23      Nucl.Instrum.Methods Phys.Res. A1015, 165753 (2021)

A.Goasduff, D.Mengoni, F.Recchia, J.J.Valiente-Dobon, R.Menegazzo, G.Benzoni, D.Barrientos, M.Bellato, N.Bez, M.Biasotto, N.Blasi, C.Boiano, A.Boso, S.Bottoni, A.Bracco, S.Brambilla, D.Brugnara, F.Camera, S.Capra, A.Capsoni, P.Cocconi, S.Coelli, M.L.Cortes, F.C.L.Crespi, G.de Angelis, F.J.Egea, C.Fanin, S.Fantinel, A.Gadea, E.R.Gamba, A.Gambalonga, C.Gesmundo, G.Gosta, A.Gottardo, A.Gozzelino, E.T.Gregor, M.Gulmini, J.Ha, K.Hadynska-Klek, A.Illana, R.Isocrate, G.Jaworski, P.R.John, S.M.Lenzi, S.Leoni, S.Lunardi, M.Magalini, N.Marchini, B.Million, V.Modamio, A.Nannini, D.R.Napoli, G.Pasqualato, J.Pellumaj, R.M.Perez-Vidal, S.Pigliapoco, M.Polettini, C.Porzio, A.Pullia, L.Ramina, G.Rampazzo, M.Rampazzo, M.Rebeschini, K.Rezynkina, M.Rocchini, M.Romanato, D.Rosso, A.Saltarelli, M.Scarcioffolo, M.Siciliano, D.A.Testov, D.Tomasella, F.Tomasi, N.Toniolo, C.A.Ur, S.Ventura, F.Veronese, E.Viscione, V.Volpe, O.Wieland, I.Zanon, S.Ziliani, G.Zhang, D.Bazzacco

The GALILEO γ-ray array at the Legnaro National Laboratories

doi: 10.1016/j.nima.2021.165753
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2021HU12      Eur.Phys.J. A 57, 137 (2021)

Z.Huang, G.X.Zhang, S.P.Hu, B.Paes, E.N.Cardozo, J.L.Ferreira, M.J.Ermamatov, G.L.Zhang, J.B.Lu, M.Mazzocco, Y.F.Lv, H.Q.Zhang, H.B.Sun, D.Testov, P.R.John, J.J.Valiente-Dobon, A.Goasduff, M.Siciliano, F.Galtarossa, F.Recchia, D.Mengoni, D.Bazzacco, J.Lubian, X.B.Qin, H.M.Zhao

Angular distribution of γ rays emitted by oriented nuclei: the case of 92Mo formed in the reaction 6Li + 89Y

NUCLEAR REACTIONS 89Y(6Li, X)92Mo, E=34 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, γ-ray angular distributions, E1, M2 transition strengths, mixing ratios and T1/2. Comparison with the NushellX calculation using the jjglem interaction.

doi: 10.1140/epja/s10050-021-00443-6
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2021KA36      Phys.Rev. C 104, 024311 (2021)

D.Kalaydjieva, D.Kocheva, G.Rainovski, V.Karayonchev, J.Jolie, N.Pietralla, M.Beckers, A.Blazhev, A.Dewald, M.Djongolov, A.Esmaylzadeh, C.Fransen, K.A.Gladnishki, A.Goldkuhle, C.Henrich, I.Homm, K.E.Ide, P.R.John, R.Kern, J.Kleemann, Th.Kroll, C.Muller-Gatermann, M.Scheck, P.Spagnoletti, M.Stoyanova, K.Stoychev, V.Werner, A.Yaneva, S.S.Dimitrova, G.De Gregorio, H.Naidja, A.Gargano

Microscopic structure of the one-phonon 2+ states of 208Po

NUCLEAR REACTIONS 204Pb(12C, 8Be)208Po, E=62 MeV; measured Eγ, Iγ, (particle)γ-coin, half-lives of the first 2+ and 4+ levels by recoil-distance Doppler-shift (RDDS) method using the Cologne plunger device at the FN Tandem facility of the University of Cologne. 208Po; deduced levels, J, π, B(E2). Comparison with large-scale shell-model calculations.

NUCLEAR STRUCTURE 208Po; calculated levels, J, π, B(E2), B(M1), magnetic dipole and electric quadrupole moments using large-scale shell-model calculations with an effective interaction derived from the realistic CD-Bonn nucleon-nucleon potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.024311
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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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2021SI26      Phys.Rev. C 104, 034320 (2021)

M.Siciliano, J.J.Valiente-Dobon, A.Goasduff, T.R.Rodriguez, D.Bazzacco, G.Benzoni, T.Braunroth, N.Cieplicka-Orynczak, E.Clement, F.C.L.Crespi, G.de France, M.Doncel, S.Erturk, C.Fransen, A.Gadea, G.Georgiev, A.Goldkuhle, U.Jakobsson, G.Jaworski, P.R.John, I.Kuti, A.Lemasson, H.Li, A.Lopez-Martens, 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

Lifetime measurements in the even-even 102-108Cd isotopes

NUCLEAR REACTIONS 92Mo(106Cd, 106Cd'), E=770 MeV; measured Eγ, Iγ, γγ-coin, level T1/2 by recoil-distance Doppler-shift (RDDS) method using the AGATA γ-ray spectrometer, VAMOS++ magnetic spectrometer, and Cologne plunger device at the GANIL facility. 102,104,106,108Cd; deduced levels, J, π, B(E2), B(M1). Comparison with beyond-mean-field calculations, and with previous experimental results for level half-lives. Systematics of the experimental B(E2) values for the first 2+ states in even-mass Cd and Sn isotopes.

NUCLEAR STRUCTURE 102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Cd; calculated energies and B(E2) of the first 2+ and 4+ states, potential energy surfaces (PES) in (β2, γ) plane using particle-number variation-after-projection (PNVAP) method, and collective wave functions (CWFs) contours for the first 2+ and 4+ states in (β2, γ) plane. 106Cd; calculated levels, J, π, collective wave functions (CWFs) contours in (β2, γ) plane. State-of-the-art beyond mean-field calculations using the symmetry-conserving configuration-mixing (SCCM) approach, and Gogny-D1S interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.034320
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2021TE04      Phys.Rev. C 103, 044321 (2021)

D.A.Testov, S.Bakes, J.J.Valiente-Dobon, A.Goasduff, S.Frauendorf, F.Nowacki, T.R.Rodriguez, G.de Angelis, D.Bazzacco, C.Boiano, A.Boso, B.Cederwall, M.Cicerchia, P.Colovic, G.Colucci, F.Didierjean, M.Doncel, J.A.Duenas, F.Galtarossa, A.Gozzelino, K.Hadynska-Klek, G.Jaworski, P.R.John, S.Lenzi, H.Liu, S.Lunardi, R.Menegazzo, D.Mengoni, A.Mentana, D.R.Napoli, G.Pasqualato, F.Recchia, S.Riccetto, L.M.Robledo, M.Rocchini, B.Saygi, M.Siciliano, Yu.Sobolev, S.Szilner

Octupole correlations near 110Te

NUCLEAR REACTIONS 58Ni(58Ni, 2pα)110Te, E=250 MeV; measured Eγ, Iγ, γγ-coin, half-lives of levels by recoil distance Doppler-shift (RDDS) method using a plunger device and differential decay curve method (DDCM), GALILEO Ge-detector array for γ detection and EUCLIDES Si-array for particle detection and reaction channel selection at the XTU-Tandem accelerator facility of National Legnaro Laboratories. 110Te; deduced levels, J, π, B(E2); calculated collective wave functions in (β2, β3) plane for the two lowest negative parity states. Comparison with theoretical calculations using tilted axis cranking approach and the symmetry configuration mixing method with the Gogny D1S interaction. Discussed systematics of configurations, and octupole admixtures for the known bands in 109Te, 110Te and 111I.

doi: 10.1103/PhysRevC.103.044321
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2021TE07      Phys.Rev. C 104, 024309 (2021)

D.A.Testov, A.Boso, S.M.Lenzi, F.Nowacki, F.Recchia, G.de Angelis, D.Bazzacco, G.Colucci, M.Cottini, F.Galtarossa, A.Goasduff, A.Gozzelino, K.Hadynska-Klek, G.Jaworski, P.R.John, S.Lunardi, R.Menegazzo, D.Mengoni, A.Mentana, V.Modamio, A.Nannini, D.R.Napoli, M.Palacz, M.Rocchini, M.Siciliano, J.J.Valiente-Dobon

High-spin intruder states in the mirror nuclei 31S and 31P

NUCLEAR REACTIONS 24Mg(12C, nα), (12C, pα)31S/31P, E=45 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin, γγ(θ)(ADO) using GALILEO array of 25 Compton-suppressed HPGe detectors for γ radiation, EUCLIDES Si-ball for charged particles, and Neutron Wall for neutrons at the XTU tandem accelerator facility in Legnaro. 31S, 31P; deduced high-spin levels, J, π, isospin, multipolarities, mirror energy differences (MEDs) for 31P and 31S structures. Comparison with shell-model calculations, and with previous experimental data.

doi: 10.1103/PhysRevC.104.024309
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2021WI05      Phys.Rev. C 104, 014304 (2021)

K.Wimmer, F.Recchia, S.M.Lenzi, S.Riccetto, T.Davinson, A.Estrade, C.J.Griffin, S.Nishimura, V.Phong, P.-A.Soderstrom, O.Aktas, M.Al-Aqeel, T.Ando, H.Baba, S.Bae, S.Choi, P.Doornenbal, J.Ha, L.Harkness-Brennan, T.Isobe, P.R.John, D.Kahl, G.Kiss, I.Kojouharov, N.Kurz, M.Labiche, K.Matsui, S.Momiyama, D.R.Napoli, M.Niikura, C.Nita, Y.Saito, H.Sakurai, H.Schaffner, P.Schrock, C.Stahl, T.Sumikama, V.Werner, W.Witt, P.J.Woods

Isomeric states in neutron-rich nuclei near N=40

NUCLEAR REACTIONS 9Be(238U, X)58Sc/60V/64V, E=345 MeV/nucleon, followed by separation of fragments of interest using BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility; measured Eγ, Iγ, γγ-coin, delayed γ spectra, half-lives of nanosecond and microsec isomers using HPGe EUroball RIKEN Cluster Array (EURICA). 58Sc, 60,64V; deduced levels, new isomers, B(E2), B(M2); discussed possible spin-parity assignments for the isomers. Comparison with previous experimental data, and with shell-model predictions.

doi: 10.1103/PhysRevC.104.014304
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2020BE24      Phys.Rev. C 102, 034314 (2020)

F.L.Bello Garrote, E.Sahin, Y.Tsunoda, T.Otsuka, A.Gorgen, M.Niikura, S.Nishimura, G.de Angelis, G.Benzoni, A.I.Morales, V.Modamio, Z.Y.Xu, H.Baba, F.Browne, A.M.Bruce, S.Ceruti, F.C.L.Crespi, R.Daido, M.-C.Delattre, P.Doornenbal, Zs.Dombradi, Y.Fang, S.Franchoo, G.Gey, A.Gottardo, K.Hadynska-Klek, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, T.Miyazaki, S.Momiyama, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Zs.Vajta, J.J.Valiente-Dobon, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, R.Yokoyama, K.Yoshinaga

β-decay of 75Ni and the systematics of the low-lying level structure of neutron-rich odd-A Cu isotopes

RADIOACTIVITY 75Ni(β-), (β-n)[from 9Be(238U, F), E=345 MeV/nucleon, followed by mass separation and identification of fragments of interest using the BigRIPS separator and ZeroDegree spectrometer, and implanted in WAS3ABi stopper at RIBF-RIKEN facility]; measured Eβ, Eγ, Iγ, γγ-coin, (implants)β-correlations, (implants)βγ-coin using the EURICA array for γ detection, half-life and %β-n or Pn for the decay of 75Ni. 75Cu; deduced levels, J, π, Iβ, logft values. Comparison with Monte Carlo shell model (MCSM) calculations. 74Cu, 75,76,77,78Zn, 76,80,81Ga, 80,81Ge(β-); observed γ rays in spectral Fig. 1.

NUCLEAR STRUCTURE 75Cu; calculated levels, J, π. 75,77Cu; calculated occupation numbers of proton and neutron orbits, potential energy surfaces for different spin states. 69,71,73,75,77,79Cu; systematics of energies of the first 1/2- states and corresponding B(E2) values, energies and decay sequences of particle-core coupling states, intruder states. Monte Carlo shell model calculations were performed using the A3DA interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.034314
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2020BR11      Nucl.Instrum.Methods Phys.Res. A979, 164345 (2020)

J.Bradbury, D.Testov, S.Bakes, A.Goasduff, D.Mengoni, J.J.Valiente-Dobon, G.de Angelis, D.Bazzacco, C.Boiano, A.Boso, B.Cederwall, M.Cicerchia, G.Colucci, P.Colovic, F.Didierjean, M.Doncel, J.A.Duenas, F.Galtarossa, A.Gozzelino, K.Hadynska-Klek, G.Jaworski, P.R.John, H.Liu, S.Lenzi, S.Lunardi, R.Menegazzo, A.Mentana, C.Muller-Gatermann, D.R.Napoli, G.Pasqualato, F.Recchia, M.Rocchini, S.Riccetto, B.Saygi, M.Siciliano, Yu.Sobolev, S.Szilner

Lifetime measurements using a plunger device and the EUCLIDES Si array at the GALILEO γ-ray spectrometer

NUCLEAR REACTIONS 58Ni(58Ni, 3p)113I, E=250 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, 11/2- and 15/2- state lifetimes. GALILEO γ-ray spectrometer coupled to EUCLIDES Si array and the plunger device.

doi: 10.1016/j.nima.2020.164345
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2020GO02      Acta Phys.Pol. B51, 683(2020)

G.Gosta, S.Ceruti, A.Mentana, M.Ciemala, F.Camera, A.Bracco, G.Benzoni, N.Blasi, G.Bocchi, S.Brambilla, F.C.L.Crespi, A.Giaz, S.Leoni, B.Million, O.Wieland, M.Kmiecik, A.Maj, B.Wasilewska, M.Zieblinski, D.Filipescu, D.Ghita, V.Zamfir, J.J.Valiente-Dobon, g.De Angelis, F.Galtarossa, A.Goasduff, G.Jaworski, D.R.Napoli, D.Testov, M.Siciliano, T.Marchi, D.Mengoni, D.Bazzacco, A.Boso, P.R.John, R.Recchia R.Raabe, O.Poleshchuk, J.Yang

Isospin Symmetry in the 60Zn Nucleus

doi: 10.5506/APhysPolB.51.683
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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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2020RO25      Eur.Phys.J. A 56, 289 (2020)

M.Rocchini, A.Nannini, G.Benzoni, E.Vigezzi, B.Melon, P.R.John, S.Bottoni, S.Ceruti, R.Avigo, P.Sona, C.A.Ur, D.Bazzacco, N.Blasi, G.Bocchi, A.Bracco, F.Camera, S.Capra, F.C.L.Crespi, E.R.Gamba, G.Georgiev, A.Giaz, A.Gottardo, S.Leoni, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Million, V.Modamio, A.I.Morales, D.R.Napoli, M.Ottanelli, L.Pellegri, A.Perego, J.J.Valiente-Dobon, O.Wieland

g factor of the 12+ K-isomer in 174W

NUCLEAR REACTIONS 162Dy(16O, 4n), E=84 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, isomeric state modulation ratio, g-factor and T1/2 of K isomer. Comparison with Nilsson model calculations. The time-differential perturbed angular distribution technique, Tandem-XTU at the INFN Legnaro National Laboratories.

doi: 10.1140/epja/s10050-020-00298-3
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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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2020YA24      Eur.Phys.J. A 56, 246 (2020)

A.Yaneva, D.Kocheva, G.Rainovski, J.Jolie, N.Pietralla, A.Blazhev, A.Dewald, M.Djongolov, C.Fransen, K.A.Gladnishki, C.Henrich, I.Homm, K.E.Ide, P.R.John, D.Kalaydjieva, V.Karayonchev, R.Kern, J.Kleemann, Th.Kroll, C.Muller-Gatermann, M.Scheck, P.Spagnoletti, M.Stoyanova, V.Werner

Experimental evidence for low-lying quadrupole isovector excitation of 208Po

NUCLEAR REACTIONS 204Pb(12C, 8Be), E=62 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin. 208Po; deduced γ-ray energies and intensities, level lifetimes, B(E2), B(M1) using the Doppler-shift attenuation method.

doi: 10.1140/epja/s10050-020-00259-w
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2019GO35      Acta Phys.Pol. B50, 481 (2019)

G.Gosta, S.Ceruti, A.Mentana, M.Ciemala, F.Camera, A.Bracco, G.Benzoni, N.Blasi, G.Bocchi, S.Brambilla, F.C.L.Crespi, A.Giaz, S.Leoni, B.Million, O.Wieland, M.Kmiecik, A.Maj, B.Wasilewska, M.Zieblinski, D.Filipescu, D.Ghita, V.Zamfir, J.J.Valiente-Dobon, G.de Angelis, F.Galtarossa, A.Goasduff, G.Jaworski, D.R.Napoli, D.Testov, M.Siciliano, T.Marchi, D.Mengoni, D.Bazzacco, A.Boso, P.R.John, F.Recchia, R.Raabe, O.Poleshchuk, J.Yang

Study of the Isospin Symmetry in 60Zn

NUCLEAR REACTIONS 28,30Si(32Si, X)60Zn/62Zn, E=75, 86, 98, 110 MeV; measured reaction products, Eγ, Iγ, γγ-coin, nγ-coin. Analysis of compound nuclei decay. GALILEO HPGe-array, EUCLIDES Si-array and Neutron Wall detectors.

doi: 10.5506/aphyspolb.50.481
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2019KA04      Phys.Rev. C 99, 014301 (2019)

L.Kaya, A.Vogt, P.Reiter, C.Muller-Gatermann, A.Gargano, L.Coraggio, N.Itaco, A.Blazhev, K.Arnswald, D.Bazzacco, B.Birkenbach, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, M.Droste, J.Eberth, E.Farnea, E.Fioretto, C.Fransen, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hetzenegger, R.Hirsch, P.R.John, J.Jolie, A.Jungclaus, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, D.Rosiak, N.Saed-Samii, E.Sahin, M.Siciliano, F.Scarlassara, M.Seidlitz, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, C.Ur, J.J.Valiente-Dobon, M.Weinert, K.Wolf, K.O.Zell

Identification of high-spin proton configurations in 136Ba and 137Ba

NUCLEAR REACTIONS 238U(136Xe, 136Ba), E=6.84 MeV/nucleon; measured Eγ, Iγ, charged particles, and (charged particles)γ- and γγ-coin using the AGATA array for γ detection and the PRISMA spectrometer for charged particles at PIAVE+ALPI accelerator complex of INFN-LNL-Legnaro. 130Te(9Be, X)136Ba, E=40, 43 MeV; 130Te(11B, X)136Ba/137Ba, E not given; measured Eγ, Iγ, γγ-coin, γγ(θ) using 11 HPGe detectors and HORUS array of 14 HPGe detectors at the FN Tandem accelerator of University of Cologne. 136,137Ba; deduced high-spin levels, J, π, multipolarities, mixing ratios. Comparison with shell model predictions using GCN50:82, PQM130, realistic SM and SN100PN interactions. Systematics of high-spin levels in 134,135Xe, 136,137Ba, 138,139Ce, 140Nd.

NUCLEAR STRUCTURE 136,137Ba; calculated levels, J, π, wave functions, neutron occupation numbers using shell model with several interactions. Comparison with experimental data. 134Xe, 136Ba, 138Ce; calculated average neutron occupation numbers of the gdsh model space for observed high-spin states using the GCN50:82 and SN100PN interactions. 134Xe, 136Ba; calculated decomposition of the total angular momentum of selected states.

doi: 10.1103/PhysRevC.99.014301
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2019KA36      Phys.Rev. C 100, 024323 (2019)

L.Kaya, A.Vogt, P.Reiter, M.Siciliano, N.Shimizu, Y.Utsuno, H.-K.Wang, A.Gargano, L.Coraggio, N.Itaco, K.Arnswald, D.Bazzacco, B.Birkenbach, A.Blazhev, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, M.Droste, J.Eberth, A.Esmaylzadeh, E.Farnea, E.Fioretto, C.Fransen, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hirsch, P.R.John, J.Jolie, A.Jungclaus, V.Karayonchev, L.Kornwebel, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, J.-M.Regis, N.Saed-Samii, E.Sahin, F.Scarlassara, K.Schomacker, M.Seidlitz, B.Siebeck, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, E.Teruya, C.Ur, J.J.Valiente-Dobon, K.Wolf, K.Yanase, N.Yoshinaga, K.O.Zell

Isomer spectroscopy in 133Ba and high-spin structure of 134Ba

NUCLEAR REACTIONS 124Sn(13C, X)133Ba/134Ba, E=55 MeV from FN tandem accelerator at Cologne; 208Pb(136Xe, X)134Ba, E=6.84 MeV/nucleon from PIAVE+ALPI accelerator complex at LNL-Legnaro; measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives of isomers by γγ(t) using eight HPGe and 12 LaBr3(ce) detectors at Cologne, and magnetic spectrometer PRISMA with AGATA array at Legnaro. 133,134Ba; deduced high-spin levels, isomers, J, π, multipolarities, alignments, bands, backbending, configurations, B(E1), B(E2). Comparison with shell-model calculations for 134Ba, and with previous experimental results. Systematics of positive- and negative-parity yrast states in N=78 nuclei: 130Te, 132Xe, 134Ba, 136Ce, 138Nd, 140Sm, 142Gd, and Z=56 nuclei: 126,128,130,132,134,136,138Ba.

NUCLEAR STRUCTURE 134Ba; calculated levels, J, π using GCN50:82, SN100PN, SNV, PQM130, and realistic SM interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.024323
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2019LV02      Chin.Phys.C 43, 104102 (2019)

Y.-F.Lv, J.-B.Lu, G.-L.Zhang, Y.-H.Wu, C.-X.Yuan, G.-J.Fu, G.-X.Zhang, Z.Huang, M.-L.Wang, S.-P.Hu, H.-B.Sun, H.-Q.Zhang, C.-Q.Li, K.-Y.Ma, Y.-J.Ma, Yu.-Z.Liu, D.Testov, P.R.John, J.J.Valiente-Dobon, A.Goasduff, M.Siciliano, F.Galtarossa, F.Recchia, D.Mengoni, D.Bazzacco

Low-lying states of 92, 93Nb excited in the reactions induced by the weakly-bound nucleus 6Li near the Coulomb barrier

NUCLEAR REACTIONS 89Y(6Li, X)92Nb/93Nb, E=34 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, level schemes.

doi: 10.1088/1674-1137/43/10/104102
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2019MU13      Nucl.Instrum.Methods Phys.Res. A920, 95 (2019)

C.Muller-Gatermann, F.von Spee, A.Goasduff, D.Bazzacco, M.Beckers, T.Braunroth, A.Boso, P.Cocconi, G.de Angelis, A.Dewald, C.Fransen, A.Goldkuhle, A.Gottardo, A.Gozzelino, K.Hadynska-Klek, G.Jawroski, P.R.John, J.Jolie, S.M.Lenzi, J.Litzinger, R.Menegazzo, D.Mengoni, D.R.Napoli, F.Recchia, M.Siciliano, D.Testov, S.Thiel, J.J.Valiente-Dobon, K.O.Zell

A new dedicated plunger device for the GALILEO γ-ray detector array

NUCLEAR REACTIONS 154Sm(32S, 6n)180Pt, E=183 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, 6+ and 8+ levels T1/2.

doi: 10.1016/j.nima.2018.12.077
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2019RA28      Phys.Lett. B 797, 134797 (2019)

D.Ralet, E.Clement, G.Georgiev, A.E.Stuchbery, M.Rejmund, P.Van Isacker, G.de France, A.Lemasson, J.Ljungvall, C.Michelagnoli, A.Navin, D.L.Balabanski, L.Atanasova, A.Blazhev, G.Bocchi, R.Carroll, J.Dudouet, E.Dupont, B.Fornal, S.Franchoo, C.Fransen, C.Muller-Gatermann, A.Goasduff, A.Gadea, P.R.John, D.Kocheva, T.Konstantinopoulos, A.Korichi, A.Kusoglu, S.M.Lenzi, S.Leoni, R.Lozeva, A.Maj, R.Perez, N.Pietralla, C.Shand, O.Stezowski, D.Wilmsen, D.Yordanov, D.Barrientos, P.Bednarczyk, B.Birkenbach, A.J.Boston, H.C.Boston, I.Burrows, B.Cederwall, M.Ciemala, J.Collado, F.Crespi, D.Cullen, H.J.Eberth, J.Goupil, L.Harkness, H.Hess, A.Jungclaus, W.Korten, M.Labiche, R.Menegazzo, D.Mengoni, B.Million, J.Nyberg, Zs.Podolyak, A.Pullia, B.Quintana Arnes, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, C.Theisen, J.J.Valiente Dobon, O.Wieland

Evidence of octupole-phonons at high spin in 207Pb

NUCLEAR REACTIONS 100Mo(208Pb, 207Pb), E=6.25 MeV/nucleon; measured reaction products, Eγ, Iγ. 207Pb; deduced γ-ray energies, T1/2, B(E3) for 19/2- state. Recoil Distance Doppler-Shift (RDDS) method.

doi: 10.1016/j.physletb.2019.134797
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2019RE11      Acta Phys.Pol. B50, 669 (2019)

F.Recchia, K.Wimmer, S.M.Lenzi, S.Riccetto, T.Davinson, A.Estrade, C.Griffin, S.Nishimura, F.Nowacki, V.Phong, A.Poves, P.-A.Soderstrom, O.Aktas, M.Alaqueel, T.Ando, H.Baba, S.Bae, S.Choi, P.Doornenbal, J.Ha, L.Harkness-Brennan, T.Isobe, P.R.John, D.Kahl, G.Kiss, M.Labiche, K.Matsui, S.Momiyama, D.R.Napoli, M.Niikura, C.Nita, Y.Saito, H.Sakurai, P.Schrock, C.Stahl, T.Sumikama, V.Werner, W.Witt

Isomer Spectroscopy in Odd-Even Ti Isotopes: Approaching N=40

NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin. 55,57,59Ti; deduced levels, J, π. 59Ti; deduced T1/2 for isomeric state. Comparison with large-scale shell model calculations. BigRIPS and ZeroDegree spectrometers, AIDA and EURICA arrays at RIBF-RIKEN facility.

doi: 10.5506/aphyspolb.50.669
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2019ST13      Phys.Rev. C 100, 064304 (2019)

M.Stoyanova, G.Rainovski, J.Jolie, N.Pietralla, A.Blazhev, M.Beckers, A.Dewald, M.Djongolov, A.Esmaylzadeh, C.Fransen, L.M.Gerhard, K.A.Gladnishki, S.Herb, P.R.John, V.Karayonchev, J.M.Keatings, R.Kern, L.Knafla, D.Kocheva, L.Kornwebel, Th.Kroll, M.Ley, K.M.Mashtakov, C.Muller-Gatermann, J.-M.Regis, M.Scheck, K.Schomacker, J.Sinclair, P.Spagnoletti, C.Surder, N.Warr, V.Werner, J.Wiederhold

Lifetimes of the 4+1 states of 206Po and 204Po: A study of the transition from noncollective seniority-like mode to collectivity

NUCLEAR REACTIONS 197Au(11B, 4n)204Po, E=55 MeV; 198Pt(12C, 4n)206Po, E=65 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) fast timing technique using the HORUS spectrometer of the FN Tandem facility at the University of Cologne. 204,206Po; deduced levels, J, π, B(E2) for the first 4+ states in both the isotopes, and for the first 2+ in 204Po, configurations; discussed transition from single-particle seniority like mode to collective mode. Comparison with two-state mixing calculations. Systematics of energies, R4/2 ratios, B(E2) and magnetic moments for the yrast levels in 200,202,204,206,208,210Po.

doi: 10.1103/PhysRevC.100.064304
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2019TE01      Eur.Phys.J. A 55, 47 (2019)

D.Testov, D.Mengoni, A.Goasduff, A.Gadea, R.Isocrate, P.R.John, G.de Angelis, D.Bazzacco, C.Boiano, A.Boso, P.Cocconi, J.A.Duenas, F.J.Egea Canet, L.Grassi, K.Hadynska-Klek, G.Jaworski, S.Lunardi, R.Menegazzo, D.R.Napoli, F.Recchia, M.Siciliano, J.J.Valiente-Dobon

The 4π highly-efficient light-charged-particle detector EUCLIDES, installed at the GALILEO array for in-beam γ-ray spectroscopy

NUCLEAR REACTIONS 28Si(32S, x), E=110 MeV; measured Eγ, Iγ, γγ-coin using GALILEO γ-ray array, coin with EUCLIDES (EUroball Charged Ligth particle Identification DEtector Sphere); deduced ΔE vs residual EER, γ-ray energy spectra. Paper aimed mainly to bring info on the EUCLIDES detector and its possibilities.

doi: 10.1140/epja/i2019-12714-6
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2019WI04      Phys.Lett. B 792, 16 (2019)

K.Wimmer, F.Recchia, S.M.Lenzi, S.Riccetto, T.Davinson, A.Estrade, C.J.Griffin, S.Nishimura, F.Nowacki, V.Phong, A.Poves, P.-A.Soderstrom, O.Aktas, M.Al-Aqeel, T.Ando, H.Baba, S.Bae, S.Choi, P.Doornenbal, J.Ha, L.Harkness-Brennan, T.Isobe, P.R.John, D.Kahl, G.Kiss, I.Kojouharov, N.Kurz, M.Labiche, K.Matsui, S.Momiyama, D.R.Napoli, M.Niikura, C.Nita, Y.Saito, H.Sakurai, H.Schaffner, P.Schrock, C.Stahl, T.Sumikama, V.Werner, W.Witt, P.J.Woods

First spectroscopy of 61Ti and the transition to the Island of Inversion at N=40

NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured yields of reaction products with Z=21-26 and A/Q=2.55 to 2.82, Eγ, Iγ, γγ-coin, half-lives of isomers by γ(t) method using BigRIPS and ZeroDegree spectrometers, AIDA and EURICA arrays at RIBF-RIKEN facility. 59,61Ti; deduced levels, isomers, J, π, multipolarity, B(E2), B(M2), evidence for island of inversion at N=40. 59Ti; deduced only one β-decaying state from half-life measurement. Comparison with large-scale shell model calculations.

NUCLEAR STRUCTURE 57,59,61Ti; calculated levels, J, π using large-scale shell model with LNPS and LNPS-fp interactions. Comparison with experimental values.

doi: 10.1016/j.physletb.2019.03.018
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2018BO17      Phys.Rev.Lett. 121, 032502 (2018)

A.Boso, S.M.Lenzi, F.Recchia, J.Bonnard, A.P.Zuker, S.Aydin, M.A.Bentley, B.Cederwall, E.Clement, G.de France, A.Di Nitto, A.Dijon, M.Doncel, F.Ghazi Moradi, A.Gadea, A.Gottardo, T.Henry, T.Huyuk, G.Jaworski, P.R.John, K.Juhasz, I.Kuti, B.Melon, D.Mengoni, C.Michelagnoli, V.Modamio, D.R.Napoli, B.M.Nyako, J.Nyberg, M.Palacz, J.Timar, J.J.Valiente-Dobon

Neutron Skin Effects in Mirror Energy Differences: The Case of 23Mg-23Na

NUCLEAR REACTIONS 12C(16O, nα), (16O, pα), E=60-70 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, mirror energy differences, high-spin states. Comparison with available data.

doi: 10.1103/PhysRevLett.121.032502
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2018GA14      Phys.Rev. C 97, 054606 (2018)

F.Galtarossa, L.Corradi, S.Szilner, E.Fioretto, G.Pollarolo, T.Mijatovic, D.Montanari, D.Ackermann, D.Bourgin, S.Courtin, G.Fruet, A.Goasduff, J.Grebosz, F.Haas, D.Jelavic Malenica, S.C.Jeong, H.M.Jia, P.R.John, D.Mengoni, M.Milin, G.Montagnoli, F.Scarlassara, N.Skukan, N.Soic, A.M.Stefanini, E.Strano, V.Tokic, C.A.Ur, J.J.Valiente-Dobon, Y.X.Watanabe

Mass correlation between light and heavy reaction products in multinucleon transfer 197Au + 130Te collisions

NUCLEAR REACTIONS 130Te(197Au, X), E=1.07 GeV; measured reaction products, energy loss, total energy, time of flight, mass distribution of Te isotopes and (Te-like)(Au-like)coin using the PRISMA magnetic spectrometer coupled to NOSE detector for coincidence measurements at LNL-Legnaro Tandem-ALPI facility; deduced total kinetic energy loss (TKEL) for 0n-, 2n-, 4n- and 6n-transfer channels, mass-mass correlation matrix of Te isotopes, and mass distributions from the projection of the corresponding mass-mass matrix for 0n to 6n transfer channels and compared with simulations, σ(total) of Te isotopes and compared with calculations using GRAZING code.

doi: 10.1103/PhysRevC.97.054606
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2018KA27      Phys.Rev. C 98, 014309 (2018)

L.Kaya, A.Vogt, P.Reiter, M.Siciliano, B.Birkenbach, A.Blazhev, L.Coraggio, E.Teruya, N.Yoshinaga, K.Higashiyama, K.Arnswald, D.Bazzacco, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, J.Eberth, E.Farnea, E.Fioretto, C.Fransen, B.Fu, A.Gadea, A.Gargano, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hetzenegger, R.Hirsch, N.Itaco, P.R.John, J.Jolie, A.Jungclaus, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, Zs.Podolyak, G.Pollarolo, A.Pullia, M.Queiser, F.Recchia, D.Rosiak, N.Saed-Samii, E.Sahin, F.Scarlassara, D.Schneiders, M.Seidlitz, B.Siebeck, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, T.Steinbach, O.Stezowski, S.Szilner, B.Szpak, C.Ur, J.J.Valiente-Dobon, K.Wolf, K.O.Zell

High-spin structure in the transitional nucleus 131Xe: Competitive neutron and proton alignment in the vicinity of the N=82 shell closure

NUCLEAR REACTIONS 208Pb(136Xe, X), E=6.84 MeV/nucleon; 238U(136Xe, X), E=7.35 MeV/nucleon; measured projectile-like reaction fragments using PRISMA magnetic spectrometer, Eγ, Iγ, γγ- and (131Xe)γ-coin using AGATA demonstrator array for γ detection at LNL-Legnaro. 124Sn(11B, 3np), E=54 MeV; measured Eγ, Iγ, γγ and pγ-coin, γγ(θ) using HORUS array at Cologne for γ detection and annular double-sided silicon strip detector (DSSSD) for particles. 131Xe; deduced levels, J, π, high-spin states. Comparison with shell-model calculations using several different interactions; discussed systematics of high-spin states in Z=54 nuclei of 123,125,127,129,131Xe, and N=77 nuclei of 127Sn, 129Te131Xe, 133Ba, 135Ce, 137Nd, 139Sm, 141Gd; compiled experimental total aligned angular momentum versus rotational frequency plots for yrast bands in A=117-132 Xe isotopes.

NUCLEAR STRUCTURE 131Xe; calculated levels, J, π, contribution of proton and neutron configurations for selected states, proton and neutron occupation numbers in h11/2 orbital, total aligned angular momenta as function of rotational frequency, and B(E2) using shell-model calculations with PQM130, SN100PN, GCN50:82, realistic SM, and SN100-KTH interactions. 129Xe; calculated proton and neutron occupation numbers in h11/2 orbital, total aligned angular momenta as function rotational frequency using shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.98.014309
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2018KA47      Phys.Rev. C 98, 054312 (2018)

L.Kaya, A.Vogt, P.Reiter, C.Muller-Gatermann, M.Siciliano, L.Coraggio, N.Itaco, A.Gargano, K.Arnswald, D.Bazzacco, B.Birkenbach, A.Blazhev, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, M.Droste, J.Eberth, E.Farnea, E.Fioretto, C.Fransen, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hetzenegger, R.Hirsch, P.R.John, J.Jolie, A.Jungclaus, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, D.Rosiak, N.Saed-Samii, E.Sahin, F.Scarlassara, M.Seidlitz, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, C.Ur, J.J.Valiente-Dobon, M.Weinert, K.Wolf, K.O.Zell

Millisecond 23/2+ isomers in the N=79 isotones 133Xe and 135Ba

NUCLEAR REACTIONS 208Pb(136Xe, X)135Ba/133Xe/132Xe/136Ba, E=6.84 MeV/nucleon; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using the Advanced GAmma Tracking Array (AGATA) for γ detection and the PRISMA magnetic spectrometer for particle identification at the PIAVE+ALPI accelerator complex of LNL-Legnaro. 130Te(9Be, X)132Xe/133Xe/135Ba/136Ba, E=40 MeV; measured Eγ, Iγ, γγ-coin, off-beam γγ(θ), half-lives of isomers using the HORUS array for γ detection at the FN tandem accelerator of the University of Cologne. 132,133Xe, 135,136Ba; deduced high-spin levels, isomers, J, π, total conversion coefficients, multipolarities, mixing ratios, configurations, B(M2), B(E3). 214Po; deduced mixing ratio for a transition from γγ(θ) measurement. Comparison with previous experimental data, and with large-scale shell model calculations using the SM, GCN50:82, SN100PN and SN100-KTH interactions. Systematics of levels, J, π, transition probabilities and isomers in N=79 isotones of 129Sn, 131Te, 133Xe, 135Ba, 137Ce, 139Nd, 141Sm, 143Gd.

NUCLEAR STRUCTURE 133Xe, 135Ba; calculated levels, J, π, configurations using large-scale shell model with SM, GCN50:82, SN100PN and SN100-KTH interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.98.054312
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2018ZH06      Phys.Rev. C 97, 014611 (2018)

G.L.Zhang, G.X.Zhang, S.P.Hu, Y.J.Yao, J.B.Xiang, H.Q.Zhang, J.Lubian, J.L.Ferreira, B.Paes, E.N.Cardozo, H.B.Sun, J.J.Valiente-Dobon, D.Testov, A.Goasduff, P.R.John, M.Siciliano, F.Galtarossa, R.Francesco, D.Mengoni, D.Bazzacco, E.T.Li, X.Hao, W.W.Qu

One-neutron stripping processes to excited states of 90Y* in the 89Y(6Li, 5Li)90Y* reaction

NUCLEAR REACTIONS 89Y(6Li, 5Li)90Y*, E=22, 34 MeV; measured in-beam and off-beam Eγ, Iγ, γγ- and pγ-coin, ΔE-E for protons, deuterons, tritons, and α particles, one-neutron stripping σ(E) using GALILEO array for γ rays and 4π Si-ball EUCLIDES for particles at the Tandem-XTU accelerator of Legnaro National Laboratory. 90Y, 93Mo; deduced level schemes. Comparisons of cross sections with parameter-free coupled reaction channel calculations.

doi: 10.1103/PhysRevC.97.014611
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2017BO08      Acta Phys.Pol. B48, 313 (2017)

A.Boso, S.M.Lenzi, F.Recchia, J.Bonnard, S.Aydin, M.A.Bentley, B.Cederwall, E.Clement, G.De France, A.Di Nitto, A.Dijon, M.Doncel, F.Ghazi Moradi, A.Gottardo, T.Henry, T.Huyuk, G.Jaworski, P.R.John, K.Juhasz, I.Kuti, B.Melon, D.Mengoni, C.Michelagnoli, V.Modamio, D.R.Napoli, B.M.Nyako, J.Nyberg, M.Palacz, J.J.Valiente-Dobon

Isospin Symmetry Breaking in Mirror Nuclei 23Mg-23Mg

NUCLEAR REACTIONS 12C(16O, αn), (16O, αp), E=60-70 MeV; measured charged particles by the 4π DIAMANT detector consisting of 80 CsI(Tl) scintillators, En, In using the NEUTRON WALL array of 50 liquid scintillators, Eγ, Iγ(θ), γγ-coin using γ-ray array EXOGAM of 10 Compton suppressed clovers of 4 segmented HPGe each; deduced γ transitions, levels, J, π, yrast, yrare bands, MED (Mirror Energy Differences) between 23Mg and 23Na up to high spin. 23Na, 23Mg; calculated levels, J, π; deduced MED in mirror nuclei; compared with ANTOINE shell model code calculations with two different NN interactions.

doi: 10.5506/APhysPolB.48.313
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2017GA05      Acta Phys.Pol. B48, 609 (2017)

F.Galtarossa, L.Corradi, E.Fioretto, D.Montanari, S.Szilner, T.Mijatovic, G.Pollarolo, D.Ackermann, D.Bourgin, S.Courtin, A.Goasduff, J.Grebosz, F.Haas, H.M.Jia, D.Jelavic-Malenica, S.Jeong, P.R.John, M.Milin, G.Montagnoli, F.Scarlassara, N.Skukan, N.Soic, A.M.Stefanini, E.Strano, V.Tokic, C.A.Ur, J.J.Valiente-Dobon, Y.Watanabe

Neutron-rich Nuclei Populated in Multi-nucleon Transfer Reactions: the 197Au+130Te System

NUCLEAR REACTIONS 130Te(197Au, x), E=5.5 MeV/nucleon; measured reaction products using large acceptance magnetic spectrometer PRISMA for light partner close to grazing angle and MWPPAC (Multi-Wire Parallel Plate Avalanche Counter) followed by BC (Bragg Chamber) for coincidence and timing; deduced ΔE-E matrix, binary partners masses, Q, Bragg peak matrix vs energy released in BC.

doi: 10.5506/APhysPolB.48.609
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2017JO07      Phys.Rev. C 95, 064321 (2017)

P.R.John, J.J.Valiente-Dobon, D.Mengoni, V.Modamio, S.Lunardi, D.Bazzacco, A.Gadea, C.Wheldon, T.R.Rodriguez, T.Alexander, G.de Angelis, N.Ashwood, M.Barr, G.Benzoni, B.Birkenbach, P.G.Bizzeti, A.M.Bizzeti-Sona, S.Bottoni, M.Bowry, A.Bracco, F.Browne, M.Bunce, F.Camera, L.Corradi, F.C.L.Crespi, B.Melon, E.Farnea, E.Fioretto, A.Gottardo, L.Grente, H.Hess, Tz.Kokalova, W.Korten, A.Kusoglu, S.Lenzi, S.Leoni, J.Ljungvall, R.Menegazzo, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.R.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, P.Reiter, O.J.Roberts, E.Sahin, M.-D.Salsac, F.Scarlassara, M.Sferrazza, P.-A.Soderstrom, A.M.Stefanini, S.Szilner, C.A.Ur, A.Vogt, J.Walshe

In-beam γ-ray spectroscopy of the neutron-rich platinum isotope 200Pt toward the N=126 shell gap

NUCLEAR REACTIONS 198Pt(82Se, 80Se)200Pt, E=426 MeV; measured Eγ, Iγ, (80Se recoils)γγ-coin using PRISMA spectrometer for 80Se recoils and AGATA array for Doppler-corrected γ rays at XTU Tandem-ALPI accelerator of LNL-Legnaro facility. 200Pt; deduced levels, J, π, ground-state band, structure above the 17-ns, 7- isomer. Comparison with theoretical model calculations.

NUCLEAR STRUCTURE 190,192,194,196,198,200,202,204Pt; calculated particle-number-projected potential energy surfaces in (β2, γ) plane, yrast band excitation energies. Beyond mean-field, symmetry-conserving configuration-mixing (SCCM) calculations based on Gogny D1S energy density functionals. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.064321
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2017RA09      Phys.Scr. 92, 054004 (2017)

D.Ralet, G.Georgiev, A.E.Stuchbery, E.Cement, A.Lemasson, C.Michelagnoli, M.Rejmund, L.Atanasova, D.L.Balabanski, G.Bocchi, R.Carroll, A.Dewald, J.Dudouet, B.Fornal, G.de France, S.Franchoo, C.Fransen, C.Muller-Gatermann, A.Goasduff, A.Gadea, B.Jacquot, P.R.John, D.Kocheva, T.Konstantinopoulos, A.Korichi, A.Kusoglu, S.M.Lenzi, S.Leoni, J.Ljungvall, R.Lozeva, A.Maj, A.Navin, R.Perez, N.Pietralla, C.Shand, O.Stezowski, D.Yordanov

Toward lifetime and g factor measurements of short-lived states in the vicinity of 208Pb

NUCLEAR REACTIONS 100Mo(208Pb, X)206Pb/207Pb/208Pb, E=6.25 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies. Preliminary data for the lifetime measurements with Cologne plunger device.

doi: 10.1088/1402-4896/aa6942
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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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2017SA32      Phys.Rev.Lett. 118, 242502 (2017)

E.Sahin, F.L.Bello Garrote, Y.Tsunoda, T.Otsuka, G.de Angelis, A.Gorgen, M.Niikura, S.Nishimura, Z.Y.Xu, H.Baba, F.Browne, M.-C.Delattre, P.Doornenbal, S.Franchoo, G.Gey, K.Hadynska-Klek, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, H.Sakurai, H.Schaffner, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Z.Vajta, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, K.Yoshinaga

Shell Evolution towards 78Ni : Low-Lying States in 77Cu

RADIOACTIVITY 77Ni(β-) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π. Comparison with large-scale Monte Carlo shell model calculations.

doi: 10.1103/physrevlett.118.242502
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2017SI07      Acta Phys.Pol. B48, 331 (2017)

M.Siciliano, J.J.Valiente-Dobon, A.Goasduff, D.Bazzacco, N.Alahari, G.Benzoni, T.Braunroth, N.Cieplicka, F.C.L.Crespi, E.Clement, G.De France, M.Doncel, S.Erturk, C.Fransen, A.Gadea, G.Georgiev, A.Goldkuhle, U.Jakobsson, G.Jaworski, P.R.John, I.Kuti, A.Lemasson, A.Lopez-Martens, H.Li, S.Lunardi, T.Marchi, D.Mengoni, C.Michelagnoli, T.Mijatovic, C.Muller-Gatermann, D.R.Napoli, J.Nyberg, M.Palacz, R.M.Perez-Vidal, M.Rejmund, B.Saygi, D.Sohler, S.Szilner, D.Testov

Study of Quadrupole Correlations in N=Z=50 Region via Lifetime Measurements

NUCLEAR REACTIONS 92Mo(106Cd, x), E=770 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using AGATA γ-ray array with VAMOS++ spectrometer ; deduced Doppler-corrected γ-ray spectrum for 108Sn, γ transitions.

doi: 10.5506/APhysPolB.48.331
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2017SU15      Phys.Rev. C 95, 051601 (2017)

T.Sumikama, S.Nishimura, H.Baba, F.Browne, P.Doornenbal, N.Fukuda, S.Franchoo, G.Gey, N.Inabe, T.Isobe, P.R.John, H.S.Jung, D.Kameda, T.Kubo, Z.Li, G.Lorusso, I.Matea, K.Matsui, P.Morfouace, D.Mengoni, D.R.Napoli, M.Niikura, H.Nishibata, A.Odahara, E.Sahin, H.Sakurai, P.-A.Soderstrom, G.I.Stefan, D.Suzuki, H.Suzuki, H.Takeda, R.Taniuchi, J.Taprogge, Zs.Vajta, H.Watanabe, V.Werner, J.Wu, Z.Y.Xu, A.Yagi, K.Yoshinaga

Observation of new neutron-rich Mn, Fe, Co, Ni, and Cu isotopes in the vicinity of 78Ni

NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, Eβ, particle-identifications through energy loss, times of flight, and magnetic rigidities using BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility; deduced A/Q production yields for 65,66,67,68,69,70Cr, 68,69,70,71,72,73Mn, 71,72,73,74,75,76Fe, 73,74,75,76,77,78Co, 76,77,78,79,80,81,82Ni, and 79,80,81,82,83Cu. 73Mn, 76Fe, 77,78Co, 80,81,82Ni, 83Cu; deduced production σ for the new isotopes. Comparison with theoretical calculations using LISE++ code.

doi: 10.1103/PhysRevC.95.051601
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2017VO01      Phys.Rev. C 95, 024316 (2017)

A.Vogt, B.Birkenbach, P.Reiter, A.Blazhev, M.Siciliano, K.Hadynska-Klek, J.J.Valiente-Dobon, C.Wheldon, E.Teruya, N.Yoshinaga, K.Arnswald, D.Bazzacco, M.Bowry, A.Bracco, B.Bruyneel, R.S.Chakrawarthy, R.Chapman, D.Cline, L.Corradi, F.C.L.Crespi, M.Cromaz, G.de Angelis, J.Eberth, P.Fallon, E.Farnea, E.Fioretto, S.J.Freeman, B.Fu, A.Gadea, K.Geibel, W.Gelletly, A.Gengelbach, A.Giaz, A.Gorgen, A.Gottardo, A.B.Hayes, H.Hess, R.Hirsch, H.Hua, P.R.John, J.Jolie, A.Jungclaus, L.Kaya, W.Korten, I.Y.Lee, S.Leoni, L.Lewandowski, X.Liang, S.Lunardi, A.O.Macchiavelli, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, C.J.Pearson, L.Pellegri, Zs.Podolyak, G.Pollarolo, A.Pullia, M.Queiser, F.Radeck, F.Recchia, P.H.Regan, D.Rosiak, N.Saed-Samii, E.Sahin, F.Scarlassara, D.Schneiders, M.Seidlitz, B.Siebeck, G.Sletten, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, T.Steinbach, O.Stezowski, S.Szilner, B.Szpak, R.Teng, C.Ur, V.Vandone, D.D.Warner, A.Wiens, C.Y.Wu, K.O.Zell

Isomers and high-spin structures in the N=81 isotones 135Xe and 137Ba

NUCLEAR REACTIONS 238U(136Xe, X), E=1 GeV; 208Pb(136Xe, X), E=930 MeV; 198Pt(136Xe, X), E=850 MeV; 130Te(11B, 3np)137Ba, E=54 MeV; measured reaction products, Eγ, Iγ, (particle)γ-coin, γγ-coin, (TKEL)γ-coin, half-lives of isomers by γγ(t). Four experiments carried out using 136Xe beam with 208Pb and 238U targets using PRISMA magnetic mass spectrometer and AGATA demonstrator array at Legnaro PIAVE+ALPI accelerator, 136Xe beam with 198Pt target using GAMMASPHERE and CHICO particle detector arrays at LBNL-cyclotron facility, and 11B beam with 130Te target using HORUS array at Cologne FN Tandem accelerator. 135Xe, 137Ba; deduced levels, J, π, isomers, configurations, B(E2). Comparison with shell-model calculations. Systematics of levels and isomers in N=81 nuclides 131Sn, 133Te, 135Xe, 137Ba, 139Ce, 141Nd, 143Sm and 145Gd.

NUCLEAR STRUCTURE 135Xe, 137Ba; calculated levels, J, π, B(E2) using large-scale shell-model with PQM130 and SN100PN interactions, average proton occupation numbers in each single particle orbit of the gdsh model space. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.024316
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2017VO06      Phys.Rev. C 96, 024321 (2017)

A.Vogt, M.Siciliano, B.Birkenbach, P.Reiter, K.Hadynska-Klek, C.Wheldon, J.J.Valiente-Dobon, E.Teruya, N.Yoshinaga, K.Arnswald, D.Bazzacco, A.Blazhev, A.Bracco, B.Bruyneel, R.S.Chakrawarthy, R.Chapman, D.Cline, L.Corradi, F.C.L.Crespi, M.Cromaz, G.de Angelis, J.Eberth, P.Fallon, E.Farnea, E.Fioretto, C.Fransen, S.J.Freeman, B.Fu, A.Gadea, W.Gelletly, A.Giaz, A.Gorgen, A.Gottardo, A.B.Hayes, H.Hess, R.Hetzenegger, R.Hirsch, H.Hua, P.R.John, J.Jolie, A.Jungclaus, V.Karayonchev, L.Kaya, W.Korten, I.Y.Lee, S.Leoni, X.Liang, S.Lunardi, A.O.Macchiavelli, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, C.J.Pearson, Zs.Podolyak, G.Pollarolo, A.Pullia, M.Queiser, F.Recchia, P.H.Regan, J.-M.Regis, N.Saed-Samii, E.Sahin, F.Scarlassara, M.Seidlitz, B.Siebeck, G.Sletten, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, R.Teng, C.Ur, D.D.Warner, K.Wolf, C.Y.Wu, K.O.Zell

High-spin structures in 132Xe and 133Xe and evidence for isomers along the N=79 isotones

NUCLEAR REACTIONS 208Pb(136Xe, X)132Xe/133Xe, E=6.84 MeV/nucleon from the PIAVE+ALPI accelerator complex at LNL-Legnaro; 198Pt(136Xe, X)132Xe/133Xe, E=6.25 MeV/nucleon from the LBNL cyclotron facility; 130Te(α, nγ), (α, 2nγ), E=19 MeV from Cologne FN Tandem accelerator; measured Eγ, Iγ, γγ-, (particle)γ-coin using Advanced GAmma Tracking Array (AGATA) in a demonstrator configuration, and magnetic spectrometer PRISMA for particle identification, (particle)γ-coin using Gammasphere array and CHICO gas-detector array, γγ(θ) using HORUS array at Cologne. 132,133Xe; deduced high-spin levels, J, π, half-life of a micro-sec isomer in 133Xe with Jπ=(23/2+), multipolarities, mixing ratios. Comparison with shell-model calculations using PQM130 and SN100PN interactions. Systematics of level energies in N=78 and 79 isotones from Z=50 to 64, and even-A A=120-136 Xe isotopes.

doi: 10.1103/PhysRevC.96.024321
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2016SA07      Acta Phys.Pol. B47, 889 (2016)

E.Sahin, F.L.Bello Garrote, A.Gorgen, G.de Angelis, M.Niikura, S.Nishimura, D.Mengoni, Z.Xu, H.Baba, F.Browne, P.Doornenbal, S.Franchoo, G.Guillaume, T.Isobe, P.R.John, H.S.Jung, K.K.Hadynska-Klek, Z.Li, G.Lorusso, I.Matea, K.Matsui, P.Morfouace, D.R.Napoli, H.Nishibata, A.Odahara, H.Sakurai, P.-A.Soderstrom, D.Sohler, I.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Z.Vajta, H.Watanabe, V.Werner, J.Wu, A.Yagi, K.Yoshinaga

First Results on the Excited States in 77Cu

RADIOACTIVITY 77Ni(β-) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities.

doi: 10.5506/APhysPolB.47.889
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2016VO04      Phys.Rev. C 93, 054325 (2016)

A.Vogt, B.Birkenbach, P.Reiter, A.Blazhev, M.Siciliano, J.J.Valiente-Dobon, C.Wheldon, D.Bazzacco, M.Bowry, A.Bracco, B.Bruyneel, R.S.Chakrawarthy, R.Chapman, D.Cline, L.Corradi, F.C.L.Crespi, M.Cromaz, G.de Angelis, J.Eberth, P.Fallon, E.Farnea, E.Fioretto, S.J.Freeman, A.Gadea, K.Geibel, W.Gelletly, A.Gengelbach, A.Giaz, A.Gorgen, A.Gottardo, A.B.Hayes, H.Hess, H.Hua, P.R.John, J.Jolie, A.Jungclaus, W.Korten, I.Y.Lee, S.Leoni, X.Liang, S.Lunardi, A.O.Macchiavelli, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.Napoli, C.J.Pearson, L.Pellegri, Zs.Podolyak, G.Pollarolo, A.Pullia, F.Radeck, F.Recchia, P.H.Regan, E.Sahin, F.Scarlassara, G.Sletten, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, T.Steinbach, O.Stezowski, S.Szilner, B.Szpak, R.Teng, C.Ur, V.Vandone, D.Ward, D.D.Warner, A.Wiens, C.Y.Wu

High-spin structure of 134Xe

NUCLEAR REACTIONS 198Pt(136Xe, 134Xe), E=850 MeV; 208Pb(136Xe, 134Xe), E=930 MeV; 238U(136Xe, 134Xe), E=1 GeV; measured Eγ, Iγ, γγ-coin, γ(θ), time-of-flight total kinetic energy loss (TKEL) using Gammasphere and Chico arrays at LBNL cyclotron facility for the 198Pt+136Xe reaction, and PRISMA spectrometer, Dante and AGATA arrays at PIAVE+ALPI accelerator complex for the 208Pb+136Xe and 238U+136Xe reactions. 134Xe; deduced high-spin levels, J, π, multipolarity, configurations. Comparison with shell-model calculations using the jj55 effective interaction.

doi: 10.1103/PhysRevC.93.054325
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2015BI08      Phys.Rev. C 92, 044319 (2015)

B.Birkenbach, A.Vogt, K.Geibel, F.Recchia, P.Reiter, J.J.Valiente-Dobon, D.Bazzacco, M.Bowry, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, P.Desesquelles, J.Eberth, E.Farnea, E.Fioretto, A.Gadea, A.Gengelbach, A.Giaz, A.Gorgen, A.Gottardo, J.Grebosz, H.Hess, P.R.John, J.Jolie, D.S.Judson, A.Jungclaus, W.Korten, S.Lenzi, S.Leoni, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.Napoli, L.Pellegri, G.Pollarolo, A.Pullia, B.Quintana, F.Radeck, D.Rosso, E.Sahin, M.D.Salsac, F.Scarlassara, P.-A.Soderstrom, A.M.Stefanini, T.Steinbach, O.Stezowski, S.Szilner, B.Szpak, Ch.Theisen, C.Ur, V.Vandone, A.Wiens

Spectroscopy of the neutron-rich actinide nucleus 240U following multinucleon-transfer reactions

NUCLEAR REACTIONS 238U(70Zn, X), E=460 MeV; 238U(136Xe, X), E=1 GeV; measured Eγ, Iγ, (reaction products)γ-, γγ-coin, TKEL spectrum using PRISMA magnetic spectrometer, DANTE particle-detector array, and CLARA, AGATA γ arrays at INFN-LNL Legnaro facility. 240U; deduced levels, J, π, bands, kinetic moment of inertia, staggering in bands for 236,238,240U. Comparison of level structure with predictions of cluster model, macroscopic-microscopic approach, and dynamical coupling model. Comparison of moment of inertia with theoretical predictions using CRHB+LN(NL1) and CRHB+LN(NL3*) calculations.

doi: 10.1103/PhysRevC.92.044319
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2015JO04      Acta Phys.Pol. B46, 613 (2015)

P.R.John, V.Modamio, J.J.Valiente-Dobon, D.Mengoni, S.Lunardi, T.R.Rodriguez, and the AGATA Collaboration

Shape Evolution in the Neutron-rich Osmium Isotopes: Prompt γ-ray Spectroscopy of 196Os

NUCLEAR REACTIONS 198Pt(82Se, 84Kr)196Os, E=426 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, yrast band excitations. Comparison with previous results.

doi: 10.5506/APhysPolB.46.613
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2015SA09      Phys.Rev. C 91, 034302 (2015)

E.Sahin, M.Doncel, K.Sieja, G.de Angelis, A.Gadea, B.Quintana, A.Gorgen, V.Modamio, D.Mengoni, J.J.Valiente-Dobon, P.R.John, M.Albers, D.Bazzacco, G.Benzoni, B.Birkenbach, B.Cederwall, E.Clement, D.Curien, L.Corradi, P.Desesquelles, A.Dewald, F.Didierjean, G.Duchene, J.Eberth, M.N.Erduran, E.Farnea, E.Fioretto, G.de France, C.Fransen, R.Gernhauser, A.Gottardo, M.Hackstein, T.Hagen, A.Hernandez-Prieto, H.Hess, T.Huyuk, A.Jungclaus, S.Klupp, W.Korten, A.Kusoglu, S.M.Lenzi, J.Ljungvall, C.Louchart, S.Lunardi, R.Menegazzo, C.Michelagnoli, T.Mijatovic, B.Million, P.Molini, G.Montagnoli, D.Montanari, O.Moller, D.R.Napoli, A.Obertelli, R.Orlandi, G.Pollarolo, A.Pullia, F.Recchia, P.Reiter, D.Rosso, W.Rother, M.-D.Salsac, F.Scarlassara, M.Schlarb, S.Siem, PushpendraP.Singh, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, B.Sulignano, S.Szilner, Ch.Theisen, C.A.Ur, M.Yalcinkaya

Shell evolution beyond N=40: 69, 71, 73Cu

NUCLEAR REACTIONS 238U(76Ge, X)69Cu/71Cu/73Cu, E=577 MeV; measured Eγ, Iγ, yields of reaction products level half-lives by RDDS method using AGATA demonstrator array coupled to PRISMA spectrometer at Tandem-XTU and ALPI LINAC facilities at LNL, Legnaro. 69,71,73Cu; deduced levels, J, π, B(E2), configuration. Comparison with the state-of-the-art shell-model calculations.

doi: 10.1103/PhysRevC.91.034302
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2015SO23      Phys.Rev. C 92, 051305 (2015)

P.-A.Soderstrom, S.Nishimura, Z.Y.Xu, K.Sieja, V.Werner, P.Doornenbal, G.Lorusso, F.Browne, G.Gey, H.S.Jung, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, J.Wu, H.Baba, Zs.Dombradi, S.Franchoo, T.Isobe, P.R.John, Y.-K.Kim, I.Kojouharov, N.Kurz, Y.K.Kwon, Z.Li, I.Matea, K.Matsui, G.Martinez-Pinedo, D.Mengoni, P.Morfouace, D.R.Napoli, M.Niikura, H.Nishibata, A.Odahara, K.Ogawa, N.Pietralla, E.Sahin, H.Sakurai, H.Schaffner, D.Sohler, I.G.Stefan, D.Suzuki, R.Taniuchi, A.Yagi, K.Yoshinaga

Two-hole structure outside 78Ni: Existence of a μs isomer of 76Co and β decay into 76Ni

NUCLEAR REACTIONS 9Be(238U, F), E=345 MeV/nucleon; measured Eγ, Iγ, γγ-coin, βγ(t), half-lives of isomers using BigRIPS separator, WAS3ABi silicon detector stack and EURICA array at RIBF-RIKEN. 76Co, 76Ni; deduced levels, isomers, J, π, configuration, B(E1), B(E2). Comparison with shell-model calculation using LNPS interaction.

RADIOACTIVITY 76Co(β-)[16-ms and 21.7-ms activities from 9Be(238U, F), E=345 MeV/nucleon]; measured Eγ, Iγ, γγ-coin, βγ(t), half-lives of isomers using BigRIPS separator, WAS3ABi silicon detector stack and EURICA array at RIBF-RIKEN. 76Ni; deduced levels, isomers, J, π, configuration. Comparison with shell-model calculation using LNPS interaction.

doi: 10.1103/PhysRevC.92.051305
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2015ST16      Phys.Rev. C 92, 044324 (2015)

C.Stahl, J.Leske, C.Bauer, D.Bazzacco, E.Farnea, A.Gottardo, P.R.John, C.Michelagnoli, N.Pietralla, M.Reese, E.Sahin, B.Birkenbach, A.Bracco, F.C.L.Crespi, G.de Angelis, P.Desesquelles, J.Eberth, A.Gadea, A.Gorgen, J.Grebosz, H.Hess, J.Jolie, A.Jungclaus, W.Korten, S.M.Lenzi, S.Lunardi, R.Menegazzo, D.Mengoni, V.Modamio, D.R.Napoli, A.Pullia, B.Quintana, F.Recchia, P.Reiter, D.Rosso, M.D.Salsac, P.-A.Soderstrom, O.Stezowski, Ch.Theisen, C.A.Ur, J.J.Valiente-Dobon

Population of the 2+ms mixed-symmetry state of 140Ba with the α-transfer reaction

NUCLEAR REACTIONS 12C(136Xe, 140Ba)8Be, E=500, 546 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin using AGATA demonstrator array at LNL, Legnaro. 140Ba; deduced levels, J, π, energy and cross section of 2+ mixed-symmetry state. 139Ba; observed γ rays populated in 12C(136Xe, 139Ba*)4He+αn.

doi: 10.1103/PhysRevC.92.044324
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2015VO11      Phys.Rev. C 92, 024619 (2015)

A.Vogt, B.Birkenbach, P.Reiter, L.Corradi, T.Mijatovic, D.Montanari, S.Szilner, D.Bazzacco, M.Bowry, A.Bracco, B.Bruyneel, F.C.L.Crespi, G.de Angelis, P.Desesquelles, J.Eberth, E.Farnea, E.Fioretto, A.Gadea, K.Geibel, A.Gengelbach, A.Giaz, A.Gorgen, A.Gottardo, J.Grebosz, H.Hess, P.R.John, J.Jolie, D.S.Judson, A.Jungclaus, W.Korten, S.Leoni, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, G.Montagnoli, D.Napoli, L.Pellegri, G.Pollarolo, A.Pullia, B.Quintana, F.Radeck, F.Recchia, D.Rosso, E.Sahin, M.D.Salsac, F.Scarlassara, P.-A.Soderstrom, A.M.Stefanini, T.Steinbach, O.Stezowski, B.Szpak, Ch.Theisen, C.Ur, J.J.Valiente-Dobon, V.Vandone, A.Wiens

Light and heavy transfer products in 136Xe + 238U multinucleon transfer reactions

NUCLEAR REACTIONS 238U(136Xe, F)130Ba/131Ba/132Ba/133Ba/134Ba/135Ba/136Ba/137Ba/138Ba/139Ba/140Ba/141Ba/142Ba/143Ba/144Ba, 123Cs/124Cs/125Cs/126Cs/127Cs/128Cs/129Cs/130Cs/131Cs/132Cs/133Cs/134Cs/135Cs/136Cs/137Cs/138Cs/139Cs/140Cs/141Cs/142Cs/143Cs/126Xe/127Xe/128Xe/129Xe/130Xe/131Xe/132Xe/133Xe/134Xe/135Xe/136Xe/137Xe/138Xe/139Xe/140Xe/141Xe/142Xe/122I/123I/124I/125I/126I/127I/128I/129I/130I/131I/132I/133I/134I/135I/136I/137I/138I/139I/140I/141I/121Te/122Te/123Te/124Te/125Te/126Te/127Te/128Te/129Te/130Te/131Te/132Te/133Te/134Te/135Te/136Te/236U/237U/238U/239U/240U/Th/Ac/Np/Pu, E=1 GeV; measured projectile-like reaction products, Doppler-corrected Eγ, Iγ, (particle)γ-coin, E(x ray), I(x ray) for Z=89-94 products, yield distribution of Z=31-57 products, mass spectra for Te to Ba region, σ, time-of-flight difference spectrum using PRISMA magnetic spectrometer, multichannel-plate detector DANTE, and Advanced Gamma Tracking Array (AGATA) at PIAVE-ALPI accelerator complex of INFN-LNL-Lenargo; deduced Matrix of time difference between PRISMA and DANTE as function of the total kinetic energy loss (TKEL) for particle transfer, fission, and elastically scattered 136Xe events, mass-integrated yields of actinide nuclei. 74Ge(n, n'γ), E=transfer neutrons; measured Iγ of neutron-induced background radiation with gates on the transfer- and fission-like Δ(TOF) peak. 236,238U; deduced levels J, π, rotational bands. 239U; observed γ-rays. Comparison with coupled-channel semiclassical calculations using GRAZING code.

doi: 10.1103/PhysRevC.92.024619
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2014GH01      Phys.Rev. C 89, 014301 (2014)

F.Ghazi Moradi, C.Qi, B.Cederwall, A.Atac, T.Back, R.Liotta, M.Doncel, A.Johnson, G.de France, E.Clement, A.Dijon, R.Wadsworth, T.W.Henry, A.J.Nichols, H.Al-Azri, J.Nyberg, A.Gengelbach, T.Huyuk, B.M.Nyako, J.Timar, D.Sohler, Zs.Dombradi, I.Kuti, K.Juhasz, M.Palacz, G.Jaworski, S.M.Lenzi, P.R.John, D.R.Napoli, A.Gottardo, V.Modamio, A.Di Nitto, B.Yilmaz, O.Aktas, E.Ideguchi

Character of particle-hole excitations in γ-ray angular correlation and linear polarization measurements

NUCLEAR REACTIONS 58Ni(40Ca, 4p)94Ru, E=125 MeV; measured Eγ, Iγ, γγ-, γγ(particle)-coin, γγ(θ)(DCO), γγ(linear polarization) using EXOGAM array for γ rays and DIAMANT array for particles at GANIL facility. 94Ru; deduced high-spin levels, J, π, multipolarity, configurations, hindrance factors for E1 transitions. Comparison with large-scale shell-model (LSSM) calculations.

doi: 10.1103/PhysRevC.89.014301
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2014GH02      Phys.Rev. C 89, 044310 (2014)

F.Ghazi Moradi, B.Cederwall, C.Qi, T.Back, A.Atac, R.Liotta, M.Doncel, A.Johnson, G.de France, E.Clement, J.Nyberg, A.Gengelbach, B.M.Nyako, J.Gal, G.Kalinka, J.Molnar, J.Timar, D.Sohler, Zs.Dombradi, I.Kuti, K.Juhasz, D.R.Napoli, A.Gottardo, V.Modamio, R.Wadsworth, T.W.Henry, A.J.Nichols, H.Al-Azri, M.Palacz, E.Ideguchi, O.Aktas, A.Di Nitto, A.Dijon, T.Huyuk, G.Jaworski, P.R.John, B.Yilmaz

Spectroscopy of the neutron-deficient N = 50 nucleus 95Rh

NUCLEAR REACTIONS 58Ni(40Ca, 3p), E=125 MeV; measured Eγ, Iγ, γγ-, nγ-, (particle)γ-coin, γγ(θ)(DCO), γ(linear polarization) using EXOGAM Ge detector array, Neutron Wall and DIAMANT CsI(Tl) detector arrays at GANIL facility. 95Rh; deduced high-spin levels, J, π, multipolarity, configurations, E1 transition strengths and hindrance factors. Comparison with large-scale shell model (LSSM) calculations in fpg and fpgd model spaces.

doi: 10.1103/PhysRevC.89.044310
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2014GO20      Phys.Rev. C 90, 034317 (2014)

A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, S.Lunardi, A.Gadea, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, D.Bazzacco, J.Benlliure, P.Boutachkov, M.Bowry, A.Bracco, A.M.Bruce, M.Bunce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, A.M.D.Bacelar, A.Y.Deo, C.Domingo-Pardo, M.Doncel, T.Engert, K.Eppinger, G.F.Farrelly, F.Farinon, E.Farnea, H.Geissel, J.Gerl, N.Goel, M.Gorska, J.Grebosz, E.Gregor, T.Habermann, R.Hoischen, R.Janik, P.R.John, S.Klupp, I.Kojouharov, N.Kurz, S.M.Lenzi, S.Leoni, S.Mandal, R.Menegazzo, D.Mengoni, B.Million, V.Modamio, A.I.Morales, D.R.Napoli, F.Naqvi, R.Nicolini, C.Nociforo, M.Pfutzner, S.Pietri, Zs.Podolyak, A.Prochazka, W.Prokopowicz, F.Recchia, P.H.Regan, M.W.Reed, D.Rudolph, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, K.Steiger, P.Strmen, T.P.D.Swan, I.Szarka, C.A.Ur, P.M.Walker, H.Weick, O.Wieland, H-J.Wollersheim

Isomeric decay spectroscopy of the 217Bi isotope

RADIOACTIVITY 217mBi(IT)[from 9Be(238U, X), E=1 GeV/nucleon]; measured Eγ, Iγ, γγ-coin, isomer half-life by γ(t) using FRS-RISING system at UNILAC-SIS-18 accelerator facility of GSI. 217Bi; deduced levels, J, π, B(E2). Comparison with large-scale shell model calculations and structures of 211,213,215Bi.

NUCLEAR STRUCTURE 211,213,215,217Bi; calculated levels, J, π using large-scale shell model and Kuo-Herling (KH) interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.034317
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2014JO05      Phys.Rev. C 90, 021301 (2014)

P.R.John, V.Modamio, J.J.Valiente-Dobon, D.Mengoni, S.Lunardi, T.R.Rodriguez, D.Bazzacco, A.Gadea, C.Wheldon, T.Alexander, G.de Angelis, N.Ashwood, M.Barr, G.Benzoni, B.Birkenbach, P.G.Bizzeti, A.M.Bizzeti-Sona, S.Bottoni, M.Bowry, A.Bracco, F.Browne, M.Bunce, F.Camera, B.Cederwall, L.Corradi, F.C.L.Crespi, P.Desesquelles, J.Eberth, E.Farnea, E.Fioretto, A.Gorgen, A.Gottardo, J.Grebosz, L.Grente, H.Hess, A.Jungclaus, Tz.Kokalova, A.Korichi, W.Korten, A.Kusoglu, S.Lenzi, S.Leoni, J.Ljungvall, G.Maron, W.Meczynski, B.Melon, R.Menegazzo, C.Michelagnoli, T.Mijatovic, B.Million, P.Molini, G.Montagnoli, D.Montanari, D.R.Napoli, P.Nolan, C.Oziol, Zs.Podolyak, G.Pollarolo, A.Pullia, B.Quintana, F.Recchia, P.Reiter, O.J.Roberts, D.Rosso, E.Sahin, M.-D.Salsac, F.Scarlassara, M.Sferrazza, J.Simpson, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, Ch.Theisen, C.A.Ur, J.Walshe

Shape evolution in the neutron-rich osmium isotopes: Prompt γ-ray spectroscopy of 196Os

NUCLEAR REACTIONS 198Pt(82Se, X), E=426 MeV; measured Eγ, Iγ, γγ-, (84Kr)γ-coin using PRISMA spectrometer for fragments and AGATA array for γ rays at Tandem-ALPI-LNL accelerator facility. 196Os; deduced levels, J, π, γ-unstable/triaxial rotor yrast band. Comparison with state-of-the-art beyond-mean-field calculations.

NUCLEAR STRUCTURE 188,190,192,194,196,198Os; calculated particle number projected potential energy surfaces in (β2, γ) plane, level energies in the yrast bands using Gogny D1S interaction. State-of-the-art beyond-meanfield calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.021301
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2014MA85      Phys.Rev.Lett. 113, 182501 (2014)

T.Marchi, G.de Angelis, J.J.Valiente-Dobon, V.M.Bader, T.Baugher, D.Bazin, J.Berryman, A.Bonaccorso, R.Clark, L.Coraggio, H.L.Crawford, M.Doncel, E.Farnea, A.Gade, A.Gadea, A.Gargano, T.Glasmacher, A.Gottardo, F.Gramegna, N.Itaco, P.R.John, R.Kumar, S.M.Lenzi, S.Lunardi, S.McDaniel, C.Michelagnoli, D.Mengoni, V.Modamio, D.R.Napoli, B.Quintana, A.Ratkiewicz, F.Recchia, E.Sahin, R.Stroberg, D.Weisshaar, K.Wimmer, R.Winkler

Quadrupole Transition Strength in the 74Ni Nucleus and Core Polarization Effects in the Neutron-Rich Ni Isotopes

NUCLEAR REACTIONS 197Au(74Ni, 74Ni'), E=95.8 MeV/nucleon; measured reaction products, Eγ, Iγ. 74Ni; deduced energy levels, B(E2). Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.113.182501
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2014ME19      Nucl.Instrum.Methods Phys.Res. A764, 241 (2014)

D.Mengoni, J.A.Duenas, M.Assie, C.Boiano, P.R.John, R.J.Aliaga, D.Beaumel, S.Capra, A.Gadea, V.Gonzales, A.Gottardo, L.Grassi, V.Herrero-Bosch, T.Houdy, I.Martel, V.V.Parkar, R.Perez-Vidal, A.Pullia, E.Sanchis, A.Triossi, J.J.Valiente Dobon

Digital pulse-shape analysis with a TRACE early silicon prototype

NUCLEAR REACTIONS C, Si, O, Li, 19F(16O, X), E=100 MeV; measured reaction products, Eγ, Iγ, Ep, Ip, Eα, Iα, p-γ- and α-γ-coin.; deduced γ-ray transition energies, reaction product discrimination techniques.

doi: 10.1016/j.nima.2014.07.054
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2014XU07      Phys.Rev.Lett. 113, 032505 (2014)

Z.Y.Xu, S.Nishimura, G.Lorusso, F.Browne, P.Doornenbal, G.Gey, H.-S.Jung, Z.Li, M.Niikura, P.-A.Soderstrom, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, H.Baba, S.Franchoo, T.Isobe, P.R.John, I.Kojouharov, S.Kubono, N.Kurz, I.Matea, K.Matsui, D.Mengoni, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, E.Sahin, H.Sakurai, H.Schaffner, I.G.Stefan, D.Suzuki, R.Taniuchi, V.Werner

β-Decay Half-Lives of 76, 77Co, 79, 80Ni and 81Cu Experimental Indication of a Doubly Magic 78Ni

RADIOACTIVITY 72,73,74,75,76,77Co, 74,75,76,77,78,79,80Ni, 78,79,80,81Cu, 80,81,82Zn(β-), 77Co, 79,80Ni, 81Cu(β-n) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced T1/2. Comparison with available data, FRDM+QRPA, KTUY+GT2 calculations.

doi: 10.1103/PhysRevLett.113.032505
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2013GO10      Phys.Lett. B 725, 292 (2013)

A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, A.Gadea, S.Lunardi, P.Boutachkov, A.M.Bruce, M.Gorska, J.Grebosz, S.Pietri, Zs.Podolyak, M.Pfutzner, P.H.Regan, H.Weick, J.Alcantara Nunez, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, N.Alkhomashi, P.R.P.Allegro, D.Bazzacco, J.Benlliure, M.Bowry, A.Bracco, M.Bunce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, A.M.D.Bacelar, A.Y.Deo, C.Domingo-Pardo, M.Doncel, Zs.Dombradi, T.Engert, K.Eppinger, G.F.Farrelly, F.Farinon, E.Farnea, H.Geissel, J.Gerl, N.Goel, E.Gregor, T.Habermann, R.Hoischen, R.Janik, P.R.John, S.Klupp, I.Kojouharov, N.Kurz, S.M.Lenzi, S.Leoni, S.Mandal, R.Menegazzo, D.Mengoni, B.Million, V.Modamio, A.I.Morales, D.R.Napoli, F.Naqvi, R.Nicolini, C.Nociforo, A.Prochazka, W.Prokopowicz, F.Recchia, R.V.Ribas, M.W.Reed, D.Rudolph, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, K.Steiger, P.Strmen, T.P.D.Swan, I.Szarka, C.A.Ur, P.M.Walker, O.Wieland, H.-J.Wollersheim

New μs isomers in the neutron-rich 210Hg nucleus

NUCLEAR REACTIONS 9Be(238U, X)210Hg, E=1 GeV/nucleon; measured reaction products and fragments, Eγ, Iγ, (210Hg)γ(t), γγ-coin, isomer T1/2 using FRS-RISING setup at GSI. 210Hg; deduced levels, isomers, J, π. Comparison with level structure in 208Hg, and with shell-model calculations.

doi: 10.1016/j.physletb.2013.07.053
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2013MO36      Phys.Rev. C 88, 044326 (2013)

V.Modamio, J.J.Valiente-Dobon, S.Lunardi, S.M.Lenzi, A.Gadea, D.Mengoni, D.Bazzacco, A.Algora, P.Bednarczyk, G.Benzoni, B.Birkenbach, A.Bracco, B.Bruyneel, A.Burger, J.Chavas, L.Corradi, F.C.L.Crespi, G.de Angelis, P.Desesquelles, G.de France, R.Depalo, A.Dewald, M.Doncel, M.N.Erduran, E.Farnea, E.Fioretto, Ch.Fransen, K.Geibel, A.Gottardo, A.Gorgen, T.Habermann, M.Hackstein, H.Hess, T.Huyuk, P.R.John, J.Jolie, D.Judson, A.Jungclaus, N.Karkour, R.Kempley, S.Leoni, B.Melon, R.Menegazzo, C.Michelagnoli, T.Mijatovic, B.Million, O.Moller, G.Montagnoli, D.Montanari, A.Nannini, D.R.Napoli, Zs.Podolyak, G.Pollarolo, A.Pullia, B.Quintana, F.Recchia, P.Reiter, D.Rosso, W.Rother, E.Sahin, M.D.Salsac, F.Scarlassara, K.Sieja, P.A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, Ch.Theisen, B.Travers, C.A.Ur

Lifetime measurements in neutron-rich 63, 65Co isotopes using the AGATA demonstrator

NUCLEAR REACTIONS 238U(64Ni, X)63Co/65Co, E=460 MeV; measured Eγ, Iγ, level half-lives by RDDS method using PRISMA magnetic spectrometer and AGATA array at LNL tandem-ALPI accelerator complex. 63,65Co; deduced levels, B(E2), configuration. Systematics of B(E2) values for 11/2- to 7/2- transitions in 63,65,67Co, and first 2+ to g.s. transitions in 64,66Fe, 64,66,68Ni. Calculated neutron occupation numbers for g9/2 and d5/2 orbitals for lowest 11/2- states in Co isotopes and first 2+ states in Ni and Fe isotopes. Shell-model calculations.

doi: 10.1103/PhysRevC.88.044326
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2013ST05      Phys.Rev. C 87, 037302 (2013)

C.Stahl, J.Leske, N.Pietralla, P.R.John, G.Rainovski, J.Gerl, I.Kojouharov, H.Schaffner

Identification of the proton 2p1/2 → 2p3/2 M1 spin-flip transition in 87Rb

NUCLEAR REACTIONS 12C(86Kr, X), E=2.85 MeV/nucleon; measured Eγ, Iγ, particle spectra, γγ-, (particle)γ-coin, level half-lives by DSAM using EUROBALL cluster detectors at GSI facility. 87Rb; deduced levels, J, π, B(M1), M1 spin-flip transition.

doi: 10.1103/PhysRevC.87.037302
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