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Candidate of the member of three-phonon multiplet observed in the β  +  +EC decay of 76Br

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Abstract

The decay scheme of 76Br is established by the 76Br(T 1/2 = 16.2 h) β  + /EC study. The 1791.31 keV level, which was identified initially by Müller et al with 76Se(p, p ′) reaction more than three decades ago, is reconfirmed. However, the spin and parity have not been assigned by Müller et al. Now we consider it reasonable to assign the 1791.31 keV level as a new candidate of the three-phonon multiplet in 76Se. In addition, in order to study the deformation of 76Se which lies in transitional region between strongly deformed and spherical nuclei, we calculate the total Routhian surfaces (TRS) of positive-parity states by cranking shell model formalism.

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Acknowledgements

This work is supported by Suranaree University of Technology under Contract No. 15/2553 and the National Natural Science Foundation of China under Grant Nos 11065001 and 61067001.

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Authors and Affiliations

  1. Engineering Research Center of Nuclear Technology Application (East China Institute of Technology), Ministry of Education, Nanchang, 330013, People’s Republic of China

    SHUIFA SHEN & YONGBO CHEN

  2. Key Laboratory of Radioactive Geology and Exploration Technology Fundamental Science for National Defense, East China Institute of Technology, Fuzhou, Jiangxi, 344000, People’s Republic of China

    SHUIFA SHEN

  3. School of Physics, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand

    SHUIFA SHEN

  4. Thailand Center of Excellence in Physics (ThEP), Commission on Higher Education, Bangkok, 10400, Thailand

    SHUIFA SHEN

Authors
  1. SHUIFA SHEN
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  2. YONGBO CHEN
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Correspondence to SHUIFA SHEN.

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SHEN, S., CHEN, Y. Candidate of the member of three-phonon multiplet observed in the β  +  +EC decay of 76Br. Pramana - J Phys 80, 69–80 (2013). https://doi.org/10.1007/s12043-012-0356-8

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  • DOI: https://doi.org/10.1007/s12043-012-0356-8

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