Investigation of the high-spin rotational properties of the proton emitter 113Cs using a particle-number conserving method

  • The recently observed two high-spin rotational bands in the proton emitter 113Cs are investigated using the cranked shell model with pairing correlations treated by a particle-number conserving method, in which the Pauli blocking effects are taken into account exactly. By using the configuration assignments of band 1[π3/2+[422](g7/2), α=-1/2] and band 2[π1/2+[420](d5/2), α=1/2], the experimental moments of inertia and quasiparticle alignments can be reproduced much better by the present calculations than those using the configuration assginment of π1/2-[550](h11/2), which in turn may support these configuration assignments. Furthermore, by analyzing the occupation probability nμ of each cranked Nilsson level near the Fermi surface and the contribution of each orbital to the angular momentum alignments, the backbending mechanism of these two bands is also investigated.
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Zhen-Hua Zhang and Peng Xu. Investigation of the high-spin rotational properties of the proton emitter 113Cs using a particle-number conserving method[J]. Chinese Physics C, 2017, 41(2): 024103. doi: 10.1088/1674-1137/41/2/024103
Zhen-Hua Zhang and Peng Xu. Investigation of the high-spin rotational properties of the proton emitter 113Cs using a particle-number conserving method[J]. Chinese Physics C, 2017, 41(2): 024103.  doi: 10.1088/1674-1137/41/2/024103 shu
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Received: 2016-08-18
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    Supported by National Natural Science Foundation of China (11275098, 11275248, 11505058) and Fundamental Research Funds for the Central Universities (2015QN21)

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Investigation of the high-spin rotational properties of the proton emitter 113Cs using a particle-number conserving method

    Corresponding author: Zhen-Hua Zhang,
  • 1. Mathematics and Physics Department, North China Electric Power University, Beijing 102206, China
Fund Project:  Supported by National Natural Science Foundation of China (11275098, 11275248, 11505058) and Fundamental Research Funds for the Central Universities (2015QN21)

Abstract: The recently observed two high-spin rotational bands in the proton emitter 113Cs are investigated using the cranked shell model with pairing correlations treated by a particle-number conserving method, in which the Pauli blocking effects are taken into account exactly. By using the configuration assignments of band 1[π3/2+[422](g7/2), α=-1/2] and band 2[π1/2+[420](d5/2), α=1/2], the experimental moments of inertia and quasiparticle alignments can be reproduced much better by the present calculations than those using the configuration assginment of π1/2-[550](h11/2), which in turn may support these configuration assignments. Furthermore, by analyzing the occupation probability nμ of each cranked Nilsson level near the Fermi surface and the contribution of each orbital to the angular momentum alignments, the backbending mechanism of these two bands is also investigated.

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