Low-energy Coulomb excitation of ^96,98Sr beams

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Clement, E, Zielinska, M, Peru, S, Goutte, H, Hilaire, S, Gorgen, A, Korten, W, Doherty, DT, Bastin, B, Bauer, C et al (show 41 more authors) , Blazhev, A, Bree, N, Bruyneel, B, Butler, PA ORCID: 0000-0001-6080-9205, Butterworth, J, Cederkall, J, Delahaye, P, Dijon, A, Ekstrom, A, Fitzpatrick, C, Fransen, C, Georgiev, G, Gernhauser, R, Hess, H, Iwanicki, J, Jenkins, DG, Larsen, AC, Ljungvall, J, Lutter, R, Marley, P, Moschner, K, Napiorkowski, PJ, Pakarinen, J, Petts, A, Reiter, P, Renstrom, T, Seidlitz, M, Siebeck, B, Siem, S, Sotty, C, Srebrny, J, Stefanescu, I, Tveten, GM, Van de Walle, J, Vermeulen, M, Voulot, D, Warr, N ORCID: 0000-0001-7275-1063, Wenander, F, Wiens, A, De Witte, H and Wrzosek-Lipska, K (2016) Low-energy Coulomb excitation of ^96,98Sr beams PHYSICAL REVIEW C, 94 (5). 054326-. ISSN 2469-9985, 2469-9993

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Abstract

The structure of neutron-rich Sr96,98 nuclei was investigated by low-energy safe Coulomb excitation of radioactive beams at the REX-ISOLDE facility, CERN, with the MINIBALL spectrometer. A rich set of transitional and diagonal E2 matrix elements, including those for non-yrast structures, has been extracted from the differential Coulomb-excitation cross sections. The results support the scenario of a shape transition at N=60, giving rise to the coexistence of a highly deformed prolate and a spherical configuration in Sr98, and are compared to predictions from several theoretical calculations. The experimental data suggest a significant contribution of the triaxal degree of freedom in the ground state of both isotopes. In addition, experimental information on low-lying states in Rb98 has been obtained.

Item Type:	Article
Uncontrolled Keywords:	5106 Nuclear and Plasma Physics, 5110 Synchrotrons and Accelerators, 51 Physical Sciences
Depositing User:	Symplectic Admin
Date Deposited:	15 Feb 2019 15:36
Last Modified:	16 Jun 2026 16:31
DOI:	10.1103/PhysRevC.94.054326
Open Access URL:	https://journals.aps.org/prc/abstract/10.1103/Phys...
Related Websites:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3032927
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