Quasiparticle Nature of Rotational Bands in 187Pt

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XING Ye-Bing, ZHOU Xiao-Hong and ZHANG Yu-Hu. Quasiparticle Nature of Rotational Bands in 187Pt[J]. Chinese Physics C, 2007, 31(3): 247-250.
XING Ye-Bing, ZHOU Xiao-Hong and ZHANG Yu-Hu. Quasiparticle Nature of Rotational Bands in 187Pt[J]. Chinese Physics C, 2007, 31(3): 247-250. shu
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Received: 2006-05-25
Revised: 2006-07-24
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Quasiparticle Nature of Rotational Bands in 187Pt

    Corresponding author: ZHOU Xiao-Hong,
  • Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Graduate School, Chinese Academy of Sciences, Beijing 100049, China3 Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan4 Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan

Abstract: The high-spin states in 187Pt have been studied experimentally by means of in-beam γ-ray spectroscopy techniques via the 173Yb(18O, 4n) fusion-evaporation reaction. The high-spin level scheme of 187Pt has been established, including three rotational bands. Based on the systematics of level structure in neighboring nuclei and by comparing the experimental and theoretical B(M1)/B(E2) ratios, configurations of 11/2+[615], 7/2[503] and 1/2[521] have been proposed for the three rotational bands, respectively. Band properties of band crossing frequency, alignment gain and signature splitting have been discussed.

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