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NSR database version of May 10, 2024.

Search: Author = B.Siebeck

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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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2022DR04      Phys.Rev. C 106, 024329 (2022)

M.Droste, A.Blazhev, P.Reiter, K.Arnswald, M.Beckers, C.Fransen, R.Hetzenegger, R.Hirsch, L.Kaya, L.Knafla, L.Lewandowski, C.Muller-Gatermann, P.Petkov, D.Rosiak, M.Seidlitz, B.Siebeck, A.Vogt, N.Warr, K.Wolf

Lifetime measurements in the ground-state band in 104Pd

NUCLEAR REACTIONS 96Zr(12C, 4n)104Pd, E=55 MeV; measured Eγ, Iγ, γγ-coin, level T1/2 by recoil distance Doppler-shift (RDDS) method and differential decay-curve method (DDCM) using 12 HPGe detectors and Cologne coincidence-plunger device at the FN tandem accelerator of the University of Cologne. 104Pd; deduced levels, J, π, T1/2 of levels up to 12+ in the g.s. yrast band, B(E2). Comparison with large-scale shell-model calculations (LSSM) with SR88MHJM interaction, and with available previous experimental values.

NUCLEAR STRUCTURE 96,98,100,102,104,106Pd; calculated energy(first 4+)/energy(first 2+), B(E2)(first 4+)/B(E2)(first 2+), excitation energies and B(E2) up to 10+ in the g.s. band. 104Pd; calculated Eγ and B(E2) for levels up to 26+ in the g.s. band, occupation numbers for first 8+, 10+ and 12+, and second 10+ levels. Large-scale shell-model calculations (LSSM) with SR88MHJM interaction. Comparison with available experimental data.

doi: 10.1103/PhysRevC.106.024329
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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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2021AR08      Phys.Lett. B 820, 136592 (2021)

K.Arnswald, A.Blazhev, F.Nowacki, P.Petkov, P.Reiter, T.Braunroth, A.Dewald, M.Droste, C.Fransen, R.Hirsch, V.Karayonchev, L.Kaya, L.Lewandowski, C.Muller-Gatermann, M.Seidlitz, B.Siebeck, A.Vogt, D.Werner, K.O.Zell

Enhanced quadrupole collectivity in doubly-magic 56Ni: Lifetime measurements of the 41+ and 61+ states

NUCLEAR REACTIONS 27Al(32S, 2np)56Ni, E=78 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level lifetimes, B(E2). Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2021.136592
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2020AR16      Phys.Rev. C 102, 054302 (2020)

K.Arnswald, P.Reiter, A.Blazhev, T.Braunroth, A.Dewald, M.Droste, C.Fransen, A.Goldkuhle, R.Hetzenegger, R.Hirsch, E.Hoemann, L.Kaya, L.Lewandowski, C.Muller-Gatermann, P.Petkov, D.Rosiak, M.Seidlitz, B.Siebeck, A.Vogt, D.Werner, K.Wolf, K.-O.Zell

Lifetime measurements in 44Ti

NUCLEAR REACTIONS 40Ca(6Li, np)44Ti, E=20 MeV; measured Eγ, Iγ, γγ(t), half-lives of the first 4+, 6+, 3- and 4- states by Doppler-shift attenuation method (DSAM), recoil distance Doppler-shift (RDDS) technique and the differential decay-curve method (DDCM) using an array of twelve HPGe detectors and Cologne coincidence plunger at the FN tandem accelerator of University of Cologne. 44Ti; deduced levels, J, π, B(E2), B(E1), B(M1), configurations. Comparison with previous experimental results, and with large-scale shell-model calculations using GXPF1A, KB3G, FPD6, and ZBM2M interactions.

doi: 10.1103/PhysRevC.102.054302
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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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2020ST02      Eur.Phys.J. A 56, 22 (2020)

K.Stahl, A.Wendt, P.Reiter, D.Rudolph, A.Blazhev, B.Bruyneel, J.Eberth, C.Fahlander, C.Fransen, P.Golubev, H.Hess, R.Hoischen, A.Holler, M.Kalkuhler, T.Kotthaus, D.Lersch, G.Pascovici, M.Seidlitz, B.Siebeck, J.Taprogge, N.Warr, A.Wiens, O.Zell

Search for proton emission of the isomeric 10+ state in 54Ni

doi: 10.1140/epja/s10050-020-00029-8
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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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2019FL06      Phys.Rev. C 99, 054332 (2019)

F.Flavigny, J.Elseviers, A.N.Andreyev, C.Bauer, V.Bildstein, A.Blazhev, B.A.Brown, H.De Witte, J.Diriken, V.N.Fedosseev, S.Franchoo, R.Gernhauser, M.Huyse, S.Ilieva, S.Klupp, Th.Kroll, R.Lutter, B.A.Marsh, D.Mucher, K.Nowak, T.Otsuka, J.Pakarinen, N.Patronis, R.Raabe, F.Recchia, P.Reiter, T.Roger, S.Sambi, M.Seidlitz, M.D.Seliverstov, B.Siebeck, Y.Tsunoda, P.Van Duppen, M.Vermeulen, M.Von Schmid, D.Voulot, N.Warr, F.Wenander, K.Wimmer

Microscopic structure of coexisting 0+ states in 68Ni probed via two-neutron transfer

NUCLEAR REACTIONS 3H(66Ni, p)68Ni, E=2.6 MeV/nucleon; measured Ep, Ip, Eγ, Iγ, pγ-coin, differential σ(θ) distributions of transfer to ground state, first excited 0+ and first 2+ states in 68Ni using the T-REX silicon particle detector array for light charged recoil detection and the Miniball detector array for γ detection at ISOLDE-CERN. 68Ni; deduced levels, L-transfer, neutron and proton average orbital occupancies of ground state, excited 0+ state, and the first 2+ state. DWBA analysis of angular distributions using the FRESCO code. Comparison with shell model calculations with the A3DA-m and the JJ44pna interaction. Discussed feeding of the 0+ states by the transfer of neutrons mainly filling the N=40 subshell closure for the ground state.

doi: 10.1103/PhysRevC.99.054332
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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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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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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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2017AR09      Phys.Lett. B 772, 599 (2017)

K.Arnswald, T.Braunroth, M.Seidlitz, L.Coraggio, P.Reiter, B.Birkenbach, A.Blazhev, A.Dewald, C.Fransen, B.Fu, A.Gargano, H.Hess, R.Hirsch, N.Itaco, S.M.Lenzi, L.Lewandowski, J.Litzinger, C.Muller-Gatermann, M.Queiser, D.Rosiak, D.Schneiders, B.Siebeck, T.Steinbach, A.Vogt, K.Wolf, K.O.Zell

Enhanced collectivity along the N = Z line: Lifetime measurements in 44Ti, 48Cr, and 52Fe

NUCLEAR REACTIONS Mg(23Na, xnp)44Ti, 40Ca(10B, np)48Cr, 27Al(28Si, 2np)52Fe, E=62, 26, 86 MeV; measured reaction products, Eγ, Iγ. 44Ti, 48,50Cr, 52Fe; deduced γ-ray energies, level T1/2, B(E2). Recoil distance Doppler-shift method, comparison with available data.

doi: 10.1016/j.physletb.2017.07.032
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2017KO03      Phys.Rev. C 95, 014309 (2017)

T.Konstantinopoulos, P.Petkov, A.Goasduff, T.Arici, A.Astier, L.Atanasova, M.Axiotis, D.Bonatsos, P.Detistov, A.Dewald, M.J.Eller, V.Foteinou, A.Gargano, G.Georgiev, K.Gladnishki, A.Gottardo, S.Harissopulos, H.Hess, S.Kaim, D.Kocheva, A.Kusoglu, A.Lagoyannis, J.Ljungvall, R.Lutter, I.Matea, B.Melon, T.J.Mertzimekis, A.Nannini, C.M.Petrache, A.Petrovici, G.Provatas, P.Reiter, M.Rocchini, S.Roccia, M.Seidlitz, B.Siebeck, D.Suzuki, N.Warr, H.De Witte, T.Zerrouki

Lifetime measurements in 100Ru

NUCLEAR REACTIONS 88Sr(14C, 2n), E=40, 46 MeV; measured Eγ, half-lives of 2+, 4+, 6+ and 8+ yrast levels by recoil-distance Doppler shift (RDDS) and Doppler-shift attenuation method (DSAM) using ORGAM array and eight detectors from Miniball array at 15 MV Tandem accelerator of the ALTO laboratory in Orsay. 100Ru; deduced levels, B(E2), not the best candidate for E(5) symmetry. Comparison with excited Vampir, shell-model calculations, and theoretical E(5) level scheme.

doi: 10.1103/PhysRevC.95.014309
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2017QU05      Phys.Rev. C 96, 044313 (2017)

M.Queiser, A.Vogt, M.Seidlitz, P.Reiter, T.Togashi, N.Shimizu, Y.Utsuno, T.Otsuka, M.Honma, P.Petkov, K.Arnswald, R.Altenkirch, B.Birkenbach, A.Blazhev, T.Braunroth, A.Dewald, J.Eberth, C.Fransen, B.Fu, H.Hess, R.Hetzenegger, R.Hirsch, J.Jolie, V.Karayonchev, L.Kaya, L.Lewandowski, C.Muller-Gatermann, J.-M.Regis, D.Rosiak, D.Schneiders, B.Siebeck, T.Steinbach, K.Wolf, K.-O.Zell

Cross-shell excitations from the fp shell: Lifetime measurements in 61Zn

NUCLEAR REACTIONS 40Ca(24Mg, n2p), E=77 MeV; 58Ni(α, n), E=19 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), level half-lives by recoil-distance Doppler-shift (RDDS) method using Cologne plunger device and an array of 12 HPGe detectors, and by γγ(t) electronic fast timing technique using eight HPGe detectors and eight LaBr3:Ce detectors at the Tandem accelerator facility of the University of Cologne. 61Zn; deduced high-spin levels, nano-second isomers, J, π, multipolarities, mixing ratios, B(E2), B(E1), B(M1), B(M2), configurations, deformation. Comparison with shell-model calculations using jj44b, GXPF1, GXPF1A, and GXPF1Br+VMU interactions.

doi: 10.1103/PhysRevC.96.044313
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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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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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2016FU09      Phys.Rev. C 94, 034318 (2016)

B.Fu, M.Seidlitz, A.Blazhev, M.Bouhelal, F.Haas, P.Reiter, K.Arnswald, B.Birkenbach, C.Fransen, G.Friessner, A.Hennig, H.Hess, R.Hirsch, L.Lewandowski, D.Schneiders, B.Siebeck, T.Steinbach, T.Thomas, A.Vogt, A.Wendt, K.Wolf, K.O.Zell

γ-ray spectroscopy of 33P and 33S after fusion-evaporation reactions

NUCLEAR REACTIONS 26Mg(13C, npα), (13C, 2nα), E=46 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ) level half-lives by DSAM using HORUS array at Cologne tandem accelerator facility. 33P, 33S; deduced levels, J, π, γ-ray branching ratios, multipolarity and mixing ratios for selected γ rays in 33P. Comparison with truncated p-sd-pf shell model calculations using the PSDPF interaction.

doi: 10.1103/PhysRevC.94.034318
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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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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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2016KR04      Phys.Rev. C 93, 044330 (2016)

M.Krzysiek, M.Kmiecik, A.Maj, P.Bednarczyk, A.Bracco, F.C.L.Crespi, E.G.Lanza, E.Litvinova, N.Paar, R.Avigo, D.Bazzacco, G.Benzoni, B.Birkenbach, N.Blasi, S.Bottoni, S.Brambilla, F.Camera, S.Ceruti, M.Ciemala, G.de Angelis, P.Desesquelles, J.Eberth, E.Farnea, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, J.Grebosz, H.Hess, R.Isocarte, A.Jungclaus, S.Leoni, J.Ljungvall, S.Lunardi, K.Mazurek, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Milion, A.I.Morales, D.R.Napoli, R.Nicolini, L.Pellegri, A.Pullia, B.Quintana, F.Recchia, P.Reiter, D.Rosso, M.D.Salsac, B.Siebeck, S.Siem, P.-A.Soderstrom, C.Ur, J.J.Valiente-Dobon, O.Wieland, M.Zieblinski

Pygmy dipole resonance in 140Ce via inelastic scattering of 17O

NUCLEAR REACTIONS 140Ce(17O, 17O'), E=340 MeV; measured scattered 17O particle spectra, Eγ, Iγ, (17O)γ-coin, σ as function of excitation energy in 140Ce, γ(θ) using AGATA-demonstrator array for γ rays and E-ΔE detectors for particles at LNL's PIAVE-ALPI accelerator facility. DWBA analysis for the pygmy dipole states using microscopically calculated form factors based on transition densities from RQRPA and optical potentials. 140Ce; deduced levels, J, π, 1- pygmy (PDR) states, isoscalar energy-weighted sum rule (ISEWSR), PDR strengths, isospin character of the dipole states. Comparison with experimental results from (γ, γ') and (α, α') studies.

doi: 10.1103/PhysRevC.93.044330
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2015BO11      Phys.Rev. C 92, 024322 (2015)

S.Bottoni, S.Leoni, B.Fornal, R.Raabe, K.Rusek, G.Benzoni, A.Bracco, F.C.L.Crespi, A.I.Morales, P.Bednarczyk, N.Cieplicka-Orynczak, W.Krolas, A.Maj, B.Szpak, M.Callens, J.Bouma, J.Elseviers, H.De Witte, F.Flavigny, R.Orlandi, P.Reiter, M.Seidlitz, N.Warr, B.Siebeck, S.Hellgartner, D.Mucher, J.Pakarinen, M.Vermeulen, C.Bauer, G.Georgiev, R.V.F.Janssens, D.Balabanski, M.Sferrazza, M.Kowalska, E.Rapisarda, D.Voulot, M.Lozano Benito, F.Wenander

Cluster-transfer reactions with radioactive beams: A spectroscopic tool for neutron-rich nuclei

NUCLEAR REACTIONS 7Li(98Rb, xnα), (98Rb, xnt), E=279 MeV; measured Eγ, (7Li)γ-, αγ-, tγ-coin, differential σ(θ), absolute cross sections for triton and α transfers using MINIBALL Ge array and Si detector system T-REX at REX-ISOLDE-CERN facility. Cluster-transfer reactions. DWBA calculations using FRESCO code. 98Rb, 98,99Sr, 99,100Y, 100Zr; observed γ rays in particle-γ-coin spectra and γγ-coin spectra.

doi: 10.1103/PhysRevC.92.024322
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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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2015PE08      Phys.Rev. C 92, 014330 (2015)

L.Pellegri, A.Bracco, N.Tsoneva, R.Avigo, G.Benzoni, N.Blasi, S.Bottoni, F.Camera, S.Ceruti, F.C.L.Crespi, A.Giaz, S.Leoni, H.Lenske, B.Million, A.I.Morales, R.Nicolini, O.Wieland, D.Bazzacco, P.Bednarczyk, B.Birkenbach, M.Ciemala, G.de Angelis, E.Farnea, A.Gadea, A.Gorgen, A.Gottardo, J.Grebosz, R.Isocrate, M.Kmiecik, M.Krzysiek, S.Lunardi, A.Maj, K.Mazurek, D.Mengoni, C.Michelagnoli, D.R.Napoli, F.Recchia, B.Siebeck, S.Siem, C.Ur, J.J.Valiente-Dobon

Multitude of 2+ discrete states in 124Sn observed via the (17O, 17O' γ) reaction: Evidence for pygmy quadrupole states

NUCLEAR REACTIONS 124Sn(17O, 17O'), E=340 MeV; measured Eγ, Iγ, γ(θ), particle spectra, (17O)γ-coin, inelastic scattering σ using the AGATA array at Tandem-ALPI accelerator complex of INFN-LNL facility. 124Sn; deduced levels, J, π, multipolarity, B(E2) for 2+ states, sum rule strength for the ISGQR. DWBA analysis. Comparison with self-consistent density functional theory and extended QRPA approach describing 2+ states as pygmy quadrupole resonances.

doi: 10.1103/PhysRevC.92.014330
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2015SI01      Phys.Rev. C 91, 014311 (2015)

B.Siebeck, M.Seidlitz, A.Blazhev, P.Reiter, R.Altenkirch, C.Bauer, P.A.Butler, H.De Witte, J.Elseviers, L.P.Gaffney, H.Hess, M.Huyse, T.Kroll, R.Lutter, J.Pakarinen, N.Pietralla, F.Radeck, M.Scheck, D.Schneiders, C.Sotty, P.Van Duppen, M.Vermeulen, D.Voulot, N.Warr, F.Wenander

Testing refined shell-model interactions in the sd shell: Coulomb excitation of 26Na

NUCLEAR REACTIONS 104Pd(26Na, 26Na'), E=2.82 MeV/nucleon, [secondary 26Na beam from U(p, X), E=1 GeV primary reaction]; measured Eγ, Iγ, (scattered particle)γ-coin using REX-ISOLDE facility and MINIBALL array at CERN. Coulomb excitation. 26Na; deduced levels, J, π, B(E2), B(M1), configuration. 104Pd; B(E2) for first 2+ used for normalization of data for 26Na. Analysis by coupled channels Coulomb excitation code GOSIA2. Comparison with shell model calculations using USD, USDA and USDB interactions.

doi: 10.1103/PhysRevC.91.014311
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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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2015ST08      Phys.Rev. C 91, 054326 (2015)

R.Stegmann, C.Bauer, G.Rainovski, N.Pietralla, C.Stahl, S.Bonig, S.Ilieva, A.Blazhev, A.Damyanova, M.Danchev, K.Gladnishki, J.Jolie, R.Lutter, J.Pakarinen, D.Radeck, E.Rapisarda, P.Reiter, M.Scheck, B.Siebeck, T.Stora, P.Thole, T.Thomas, M.Thurauf, M.J.Vermeulen, D.Voulot, N.Warr, F.Wenander, V.Werner, H.De Witte

Evolution of quadrupole collectivity in N=80 isotones toward the Z=64 subshell gap: The B(E2; 2+1 → 0+1) value of 142Sm

NUCLEAR REACTIONS 48Ti, 94Mo(142Sm, 142Sm'), E=405 MeV, [secondary 142Sm beam from Ta(p, X), E=1.4 GeV from PS booster at CERN and using RILIS and GPS setup at ISOLDE-CERN]; measured Eγ, Iγ, (particle)γ-coin, γ-particle yields as function of angle using MINIBALL HPGe-detector array at REX-ISOLDE-CERN facility. Coulomb excitation technique. 142Sm; deduced matrix elements and B(E2) for the first 2+ state in 142Sm. Systematics of B(E2) values for first 2+ state in 130Sn, 132Te, 134Xe, 136Ba, 138Ce, 140Nd, 142Sm. Comparison with shell-model calculations.

RADIOACTIVITY 142Pm, 142,142mEu, 142Sm(EC), (β+); measured Iγ; deduced 142mEu/142Eu isomeric ratio, and M(142Eu)/M(142Sm).

doi: 10.1103/PhysRevC.91.054326
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2014CR03      Phys.Rev.Lett. 13, 012501 (2014)

F.C.L.Crespi, A.Bracco, R.Nicolini, D.Mengoni, L.Pellegri, E.G.Lanza, S.Leoni, A.Maj, M.Kmiecik, R.Avigo, G.Benzoni, N.Blasi, C.Boiano, S.Bottoni, S.Brambilla, F.Camera, S.Ceruti, A.Giaz, B.Million, A.I.Morales, V.Vandone, O.Wieland, P.Bednarczyk, M.Ciemala, J.Grebosz, M.Krzysiek, K.Mazurek, M.Zieblinski, D.Bazzacco, M.Bellato, B.Birkenbach, D.Bortolato, E.Calore, B.Cederwall, L.Charles, G.de Angelis, P.Desesquelles, J.Eberth, E.Farnea, A.Gadea, A.Gorgen, A.Gottardo, R.Isocrate, J.Jolie, A.Jungclaus, N.Karkour, W.Korten, R.Menegazzo, C.Michelagnoli, P.Molini, D.R.Napoli, A.Pullia, F.Recchia, P.Reiter, D.Rosso, E.Sahin, M.D.Salsac, B.Siebeck, S.Siem, J.Simpson, P.-A.Soderstrom, O.Stezowski, Ch.Theisen, C.Ur, J.J.Valiente-Dobon

Isospin Character of Low-Lying Pygmy Dipole States in 208Pb via Inelastic Scattering of 17O Ions

NUCLEAR REACTIONS 208Pb(17O, 17O), E=340 MeV; measured reaction products, Eγ, Iγ; deduced σ, σ(θ), B(E1). Comparison with DWBA calculations.

doi: 10.1103/PhysRevLett.113.012501
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2014IL02      Phys.Rev. C 89, 054316 (2014)

A.Illana, A.Jungclaus, R.Orlandi, A.Perea, C.Bauer, J.A.Briz, J.L.Egido, R.Gernhauser, J.Leske, D.Mucher, J.Pakarinen, N.Pietralla, M.Rajabali, T.R.Rodriguez, D.Seiler, C.Stahl, D.Voulot, F.Wenander, A.Blazhev, H.De Witte, P.Reiter, M.Seidlitz, B.Siebeck, M.J.Vermeulen, N.Warr

Low-velocity transient-field technique with radioactive ion beams: g factor of the first excited 2+ state in 72Zn

NUCLEAR MOMENTS 72Zn; measured Eγ, Iγ, (particle)γ-coin, γγ(θ, H), precession angles, g factor using the transient-field (TF) technique and MINIBALL cluster Ge detectors at REX-ISOLDE-CERN facility. 72Zn beam of 2.94 MeV/nucleon was obtained from bombardment of UCx target with 1.4-GeV protons using RILIS ion source, REXTRAP, and EBIS ion source. Comparison with shell-model and triaxial beyond-mean-field calculations, and with previous experimental results. Systematics of g factors of first 2+ states in even-even N=32-66 Zn, Ge, Se, Kr and Sr isotopes.

doi: 10.1103/PhysRevC.89.054316
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2014PE17      Phys.Lett. B 738, 519 (2014)

L.Pellegri, A.Bracco, F.C.L.Crespi, S.Leoni, F.Camera, E.G.Lanza, M.Kmiecik, A.Maj, R.Avigo, G.Benzoni, N.Blasi, C.Boiano, S.Bottoni, S.Brambilla, S.Ceruti, A.Giaz, B.Million, A.I.Morales, R.Nicolini, V.Vandone, O.Wieland, D.Bazzacco, P.Bednarczyk, M.Bellato, B.Birkenbach, D.Bortolato, B.Cederwall, L.Charles, M.Ciemala, G.De Angelis, P.Desesquelles, J.Eberth, E.Farnea, A.Gadea, R.Gernhauser, A.Gorgen, A.Gottardo, J.Grebosz, H.Hess, R.Isocrate, J.Jolie, D.Judson, A.Jungclaus, N.Karkour, M.Krzysiek, E.Litvinova, S.Lunardi, K.Mazurek, D.Mengoni, C.Michelagnoli, R.Menegazzo, P.Molini, D.R.Napoli, A.Pullia, B.Quintana, F.Recchia, P.Reiter, M.D.Salsac, B.Siebeck, S.Siem, J.Simpson, P.-A.Soderstrom, O.Stezowski, Ch.Theisen, C.Ur, J.J.Valiente Dobon, M.Zieblinski

Pygmy dipole resonance in 124Sn populated by inelastic scattering of 17O

NUCLEAR REACTIONS 124Sn(17O, 17O'), E=340 MeV; measured reaction products, Eγ, Iγ; deduced σ(θ), Form factors, isoscalar strength distribution, pigmy dipole resonance. Comparison with DWBA calculations.

doi: 10.1016/j.physletb.2014.08.029
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2014SE02      Phys.Rev. C 89, 024309 (2014)

M.Seidlitz, P.Reiter, R.Altenkirch, B.Bastin, C.Bauer, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, J.Cederkall, T.Davinson, H.De Witte, D.D.DiJulio, J.Diriken, L.P.Gaffney, K.Geibel, G.Georgiev, R.Gernhauser, M.Huyse, N.Kesteloot, T.Kroll, R.Krucken, R.Lutter, J.Pakarinen, F.Radeck, M.Scheck, D.Schneiders, B.Siebeck, C.Sotty, T.Steinbach, J.Taprogge, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, K.Wimmer, P.J.Woods, K.Wrzosek-Lipska

Coulomb excitation of 29, 30Na: Mapping the borders of the island of inversion

NUCLEAR REACTIONS 104Pd(29Na, 29Na'), (30Na, 30Na'), E=2.85 MeV/nucleon; 120Sn(30Na, 30Na'), E=2.85 MeV/nucleon, [secondary 29,30Na beams from U(p, X), E=1.4 GeV primary reaction]; measured Eγ, Iγ, scattered particle spectra, γγ-, (particle)γγ-coin using MINIBALL array, REXEBIS and Penning trap system at REX-ISOLDE-CERN facility. Coulomb excitation, GOSIA analysis. 29,30Na; deduced levels, J, π, B(E2), B(M1), intruder admixtures, island of inversion. 104Pd; deduced level, excitation yield; used for normalizing data for 29Na. Comparison with previous experimental results, and with Monte Carlo shell model calculations.

doi: 10.1103/PhysRevC.89.024309
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2014WE13      Phys.Rev. C 90, 054301 (2014)

A.Wendt, J.Taprogge, P.Reiter, P.Golubev, H.Grawe, S.Pietri, P.Boutachkov, A.Algora, F.Ameil, M.A.Bentley, A.Blazhev, D.Bloor, B.S.Nara Singh, M.Bowry, A.Bracco, N.Braun, F.Camera, J.Cederkall, F.Crespi, A.de la Salle, D.DiJulio, P.Doornenbal, K.Geibel, J.Gellanki, J.Gerl, J.Grebosz, G.Guastalla, T.Habermann, M.Hackstein, R.Hoischen, A.Jungclaus, E.Merchan, B.Million, A.Morales, K.Moschner, Zs.Podolyak, N.Pietralla, D.Ralet, M.Reese, D.Rudolph, L.Scruton, B.Siebeck, N.Warr, O.Wieland, H.J.Wollersheim

Isospin symmetry in the sd shell: Transition strengths in the neutron-deficient sd shell nucleus 33Ar

NUCLEAR REACTIONS 197Au(33Ar, 33Ar'), E=145 MeV/nucleon, [33Ar secondary beam from 9Be(36Ar, X), E=450 MeV/nucleon primary reaction]; measured Eγ, Iγ, (33Ar)γ-coin, ΔE-E plot for Z identification using FRS separator, EUROBALL HPGe cluster detectors, HECTOR BaF2 detector array, and LYCCA particle detector array at GSI facility. Coulomb excitation. 33,36Ar; deduced Doppler-corrected γ spectra, levels, J, π, B(E2) using EUROBALL HPGe cluster detectors and HECTOR detector array. 33Ar, 33P; analyzed mirror energy differences (MED), B(E2). Systematics of B(E2) values for mirror pairs for A=18-38 nuclei. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.90.054301
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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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2013BA38      Phys.Rev. C 88, 021302 (2013)

C.Bauer, G.Rainovski, N.Pietralla, D.Bianco, A.Blazhev, T.Bloch, S.Bonig, A.Damyanova, M.Danchev, K.A.Gladnishki, T.Kroll, J.Leske, N.Lo Iudice, T.Moller, K.Moschner, J.Pakarinen, P.Reiter, M.Scheck, M.Seidlitz, B.Siebeck, C.Stahl, R.Stegmann, T.Stora, Ch.Stoyanov, D.Tarpanov, M.J.Vermeulen, D.Voulot, N.Warr, F.Wenander, V.Werner, H.De Witte

Local suppression of collectivity in the N=80 isotones at the Z=58 subshell closure

NUCLEAR REACTIONS 48Ti, 64Zn(140Nd, 140Nd'), E=399 MeV; measured Eγ, Iγ, (particle)γ-coin, yields using RILIS source and Miniball array at REX-ISOLDE-CERN facility. 140Nd; deduced E2 and diagonal matrix elements, B(E2) and Q2 for first 2+ state from Coulomb excitation. 48Ti, 64Zn, 140Sm; measured Eγ for first 2+ states. Comparison with shell-model and QPM calculations. Systematics of B(E2) values for first 2+ states in even-even N=80, Z=50-60 nuclei.

doi: 10.1103/PhysRevC.88.021302
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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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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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2009EK01      Phys.Rev. C 80, 054302 (2009)

A.Ekstrom, J.Cederkall, D.D.DiJulio, C.Fahlander, M.Hjorth-Jensen, A.Blazhev, B.Bruyneel, P.A.Butler, T.Davinson, J.Eberth, C.Fransen, K.Geibel, H.Hess, O.Ivanov, J.Iwanicki, O.Kester, J.Kownacki, U.Koster, B.A.Marsh, P.Reiter, M.Scheck, B.Siebeck, S.Siem, I.Stefanescu, H.K.Toft, G.M.Tveten, J.Van de Walle, D.Voulot, N.Warr, D.Weisshaar, F.Wenander, K.Wrzosek, M.Zielinska

Electric quadrupole moments of the 2+1 states in 100, 102, 104Cd

NUCLEAR REACTIONS 109Ag(100Cd, 100Cd'), E=287.0 MeV; 64Zn, 109Ag(102Cd, 102Cd'), E=292.7 MeV; 64Zn, 109Ag(104Cd, 104Cd'), E=298.7 MeV; measured Eγ, Iγ, γ(particle)-coin, and γ-ray yields using REX-ISOLDE facility. 64Zn, 100,102,104Cd, 109Ag; deduced levels, J, π, E2 matrix elements, electric quadrupole moments. Comparison with shell model calculations.

NUCLEAR MOMENTS 100,102,104Cd; measured electric quadrupole moments of first 2+ states using reorientation method in Coulomb excitation. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.80.054302
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