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High-spin states of125Sb: Particle-core excitation coupling

  • Zhong Liu
  • Yuhu Zhang
  • Yingjun Ma
  • Y. Sasaki
  • K. Yamada
  • H. Oshima
  • H. Yokose
  • M. Ishizuka
  • T. Komatsubara
  • K. Furuno
Article
  • 33 Downloads

Abstract

Excited states of125Sb have been studied using in-beam γ spectroscopy techniques via the124Sn(7Li, α2n) reaction at a beam energy of 32 MeV. A high-spin level scheme including 21 new γ-transitions and 14 new excited states have been established. Three isomers have been identified at 1970, 2110 and 2471 keV and the ranges of their half-lives have been estimated from the delayed coincidence data. The level structure of125Sb is discussed in terms of particle-core excitation coupling. With the help of empirical shell model calculations the three isomers are proposed to have three-quasiparticle πg7/2v(h 11/2 s 1/2)5−, πg7/2v(h 11/2 d 3/2)7− and πg7/2v(h 11 2/2 )10 + configurations, respectively.

Keywords

in-beam γ spectroscopy isomer particle-core coupling 

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Copyright information

© Science in China Press 2003

Authors and Affiliations

  • Zhong Liu
    • 1
  • Yuhu Zhang
    • 1
  • Yingjun Ma
    • 2
  • Y. Sasaki
    • 2
  • K. Yamada
    • 2
  • H. Oshima
    • 2
  • H. Yokose
    • 2
  • M. Ishizuka
    • 2
  • T. Komatsubara
    • 2
  • K. Furuno
    • 2
  1. 1.Institute of Modern PhysicsChinese Academy of SciencesLanzhouChina
  2. 2.Institute of Physics and Tandem Accelerator CenterUniversity of TsukubaIbarakiJapan

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