High-spin structure in 185Os

T. Shizuma, S. Mitarai, G. Sletten, R. A. Bark, N. L. Gjørup, H. J. Jensen, M. Piiparinen, J. Wrzesinski, Y. R. Shimizu

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11 Citations (Scopus)


High-spin states in 185Os have been studied using the 176Yb(13C,4n) reaction at a beam energy of 65 MeV. Previously known one-quasiparticle bands have been extended to higher spins. New high-K bands based on three-quasiparticle excitation have been identified. Nilsson configurations are assigned based on the g factors deduced from M1/E2 branching ratios within the bands, In addition, a new isomer at 5007 keV has been found with a half-life of 18(2) ns. The hindrance in decays of the high-K intrinsic states are discussed in terms of the 7 tunneling model where the low-K and high-K states interact through triaxial shape fluctuation.

Original languageEnglish
Pages (from-to)243051-243058
Number of pages8
JournalPhysical Review C - Nuclear Physics
Issue number2
Publication statusPublished - Feb 2004

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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