Shape coexistence in neutron-deficient Hg isotopes studied via lifetime measurements in ^184,186Hg and two-state mixing calculations

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Gaffney, LP ORCID: 0000-0002-2938-3696, Hackstein, M, Page, RD ORCID: 0009-0009-7062-711X, Grahn, T, Scheck, M, Butler, PA ORCID: 0000-0001-6080-9205, Bertone, PF, Bree, N, Carroll, RJ, Carpenter, MP et al (show 17 more authors) , Chiara, CJ, Dewald, A, Filmer, F, Fransen, C, Huyse, M, Janssens, RVF, Joss, DT ORCID: 0000-0001-5763-8767, Julin, R, Kondev, FG, Nieminen, P, Pakarinen, J, Rigby, SV, Rother, W, Van Duppen, P, Watkins, HV, Wrzosek-Lipska, K and Zhu, S (2014) Shape coexistence in neutron-deficient Hg isotopes studied via lifetime measurements in ^184,186Hg and two-state mixing calculations PHYSICAL REVIEW C, 89 (2). 024307-. ISSN 0556-2813, 1089-490X

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Abstract

The neutron-deficient mercury isotopes, Hg184,186, were studied with the recoil distance Doppler-shift method using the Gammasphere array and the Köln plunger device. The differential decay curve method was employed to determine the lifetimes of the yrast states in Hg184,186. An improvement on previously measured values of yrast states up to 8+ is presented as well as first values for the 93 state in Hg184 and 10+ state in Hg186. B(E2) values are calculated and compared to a two-state mixing model which utilizes the variable moment of inertia model, allowing for extraction of spin-dependent mixing strengths and amplitudes. © 2014 American Physical Society.

Item Type:	Article
Additional Information:	8 pages, 9 figures, 2 tables
Uncontrolled Keywords:	nucl-ex, nucl-ex
Depositing User:	Symplectic Admin
Date Deposited:	02 Aug 2016 15:46
Last Modified:	16 Jun 2026 08:13
DOI:	10.1103/PhysRevC.89.024307
Related Websites:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3002721
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