Evolution of collectivity in Hg180 and Hg182

T. Grahn, A. Petts, M. Scheck, P. A. Butler, A. Dewald, M. B. Gómez Hornillos, P. T. Greenlees, A. Görgen, K. Helariutta, J. Jolie, P. Jones, R. Julin, S. Juutinen, S. Ketelhut, R. Krücken, T. Kröll, M. Leino, J. Ljungvall, P. Maierbeck, B. MelonM. Nyman, R. D. Page, Th. Pissulla, P. Rahkila, J. Sarén, C. Scholey, A. Semchenkov, J. Sorri, J. Uusitalo, R. Wadsworth, M. Zieli'nska

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Abstract

Lifetimes of yrast states in Hg180 up to the 8+ state and of the 9− state have been extracted from recoil-decay tagged γ-ray spectra by using the recoil distance Doppler-shift method. In addition, lifetimes of yrast states up to the 10+ state in Hg182 have been extracted from recoil-gated γγ-coincidence spectra. The present study addresses the evolution of collectivity of two competing shapes in neutron-deficient Hg nuclei as a function of A and the configuration mixing at low spin.
Original languageEnglish
Article number014324
JournalPhysical Review C
Volume80
Issue number1
DOIs
Publication statusPublished - 31 Jul 2009
Externally publishedYes

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