Shape coexistence in neutron-deficient Hg isotopes studied via lifetime measurements inHg184,186and two-state mixing calculations
Physical Review C2014Vol. 89(2)
Citations Over TimeTop 10% of 2014 papers
L. P. Gaffney, M. Hackstein, R. D. Page, T. Grahn, M. Scheck, P. A. Butler, P. F. Bertone, N. Bree, R. Carroll, M. P. Carpenter, C. J. Chiara, Α. Dewald, F. Filmer, C. Fransen, M. Huyse, R. V. F. Janssens, D. T. Joss, R. Julin, F. G. Kondev, P. Nieminen, J. Pakarinen, S. V. Rigby, W. Rother, P. Van Duppen, H. V. Watkins, K. Wrzosek-Lipska, S. Zhu
Abstract
The neutron-deficient mercury isotopes, $^{184,186}\mathrm{Hg}$, were studied with the recoil distance Doppler-shift method using the Gammasphere array and the K\"oln plunger device. The differential decay curve method was employed to determine the lifetimes of the yrast states in $^{184,186}\mathrm{Hg}$. An improvement on previously measured values of yrast states up to ${8}^{+}$ is presented as well as first values for the ${9}_{3}$ state in $^{184}\mathrm{Hg}$ and ${10}^{+}$ state in $^{186}\mathrm{Hg}$. $B(E2)$ 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.
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