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

Research output: Contribution to journalArticle

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Abstract

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
Volume69
Issue number2
Publication statusPublished - Feb 1 2004

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extremely high frequencies
half life
isomers
decay
configurations
excitation
energy

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Shizuma, T., Mitarai, S., Sletten, G., Bark, R. A., Gjørup, N. L., Jensen, H. J., ... Shimizu, Y. R. (2004). High-spin structure in 185Os. Physical Review C - Nuclear Physics, 69(2), 243051-243058.

High-spin structure in 185Os. / Shizuma, T.; Mitarai, S.; Sletten, G.; Bark, R. A.; Gjørup, N. L.; Jensen, H. J.; Piiparinen, M.; Wrzesinski, J.; Shimizu, Y. R.

In: Physical Review C - Nuclear Physics, Vol. 69, No. 2, 01.02.2004, p. 243051-243058.

Research output: Contribution to journalArticle

Shizuma, T, Mitarai, S, Sletten, G, Bark, RA, Gjørup, NL, Jensen, HJ, Piiparinen, M, Wrzesinski, J & Shimizu, YR 2004, 'High-spin structure in 185Os', Physical Review C - Nuclear Physics, vol. 69, no. 2, pp. 243051-243058.
Shizuma T, Mitarai S, Sletten G, Bark RA, Gjørup NL, Jensen HJ et al. High-spin structure in 185Os. Physical Review C - Nuclear Physics. 2004 Feb 1;69(2):243051-243058.
Shizuma, T. ; Mitarai, S. ; Sletten, G. ; Bark, R. A. ; Gjørup, N. L. ; Jensen, H. J. ; Piiparinen, M. ; Wrzesinski, J. ; Shimizu, Y. R. / High-spin structure in 185Os. In: Physical Review C - Nuclear Physics. 2004 ; Vol. 69, No. 2. pp. 243051-243058.
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