Quadrupole collectivity in neutron-rich Cd isotopes

S. Boenig, S. Ilieva, T. Kroell, M. Scheck, D. Balabanski, C. Bauer, A. Blazhev, T. Bloch, D. Deleanu, J. Diriken, P. Fernier, R. Gernhaeuser, K. Hadynska-Klek, A. Jungclaus, R. Lutter, A. Negret, K. Nowak, R. Orlandi, J. Pakarinen, G. RainovskiT. R. Rodriguez, M. von Schmid, M. Seidlitz, B. Siebeck, GS Simpson, A. Illana Sison, R. Stegmann, T. Stora, P. G. Thirolf, M. Thuerauf, M. J. Vermeulen, D. Voulot, N. Warr, F. Wenander, H. De Witte

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The investigation of the excitation energies of the 2(1)(+)-states in the neutron-rich Cd isotopes shows an irregular behaviour when approaching the neutron shell-closure at N = 82. The energy of the 2(1)(+)-state in Cd-128 is lower than the one in Cd-126. The transition strength B(E2, 0(gs)(+) -> 2(1)(+)) in the even isotopes Cd122-128 was measured in Coulomb excitation experiments with the high-purity germanium detector array MINIBALL at REX-ISOLDE (CERN). The values for Cd-122,Cd-124 coincide with beyond-mean-field calculations with a resultant prolate deformation, whereas Cd-126,Cd-128 are better described by shell-model calculations.
Original languageEnglish
Title of host publicationINPC 2013 - INTERNATIONAL NUCLEAR PHYSICS CONFERENCE, VOL. 1
PublisherEDP Sciences
Volume66
ISBN (Print)978-2-7598-1175-5
DOIs
Publication statusPublished - 2014

Publication series

NameEPJ Web of Conferences
PublisherEDP Sciences
ISSN (Print)2100-014X

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