Lifetimes of odd-spin yrast states in Hg-182

M. Scheck, T. Grahn, A. Petts, P. A. Butler, A. Dewald, L. P. Gaffney, M. B. Gomez Hornillos, A. Gorgen, P. T. Greenlees, K. Helariutta, J. Jolie, P. Jones, R. Julin, S. Juutinen, S. Ketelhut, T. Kroell, R. Kruecken, M. Leino, J. Ljungvall, P. MaierbeckB. Melon, M. Nyman, R. D. Page, J. Pakarinen, E. S. Paul, Th. Pissulla, P. Rahkila, J. Saren, C. Scholey, A. Semchenkov, J. Sorri, J. Uusitalo, R. Wadsworth, M. Zielinska

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19 Citations (Scopus)

Abstract

Lifetimes of excited states in 182Hg were extracted from recoil-gated γ-ray spectra and recoil-gated γγ-coincidence matrices using the recoil distance Doppler-shift method. States were populated using the 96Mo(88Sr,2n)182Hg fusion-evaporation reaction. Measured lifetimes allowed transition probabilities, transition quadrupole moments, quadrupole deformation parameters, and transition dipole moments to be deduced for the band formed by the odd-spin yrast states. The experimental results confirm the low degree of octupole collectivity in this mass region.
Original languageEnglish
Article number014310
JournalPhysical Review C
Volume81
Issue number1
DOIs
Publication statusPublished - Jan 2010
Externally publishedYes

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