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Chinese Physics C> 2004, Vol. 28> Issue(S1) : 40-42 

Reflection-Asymmetric Shell Model Description of the Nuclei 221,223Ra

  •  Physics Department, Tsinghua University, Beijing 100084, China2 China Institute of Atomic Energy, Beijing 102413, China

  • Reflection asymmetric shell model is applied for the description of the low-energy level spectrum in odd-A 221,223Ra nuclei. The ground-state spin parity and the ground-state parity doublet bands are well reproduced by the present model. The presence of parity doublets suggests reflection-asymmetric (octupole deformed) shapes for nuclei 221Ra and 223Ra.
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    [1] . Asaro F et al. Phys. Rev., 1953, 92: 14952.Chasman R R. Phys. Lett., 1980, B96: 73.Leander G A, CHEN Y S. Phys. Rev., 1988, C37: 27444.Leander G A, Sheline R K. Nucl. Phys., 1984, A413: 3755.Sheline R K et al. Phys. Lett., 1989, B219: 476.CHEN Y S, GAO Z C. Phys. Rev., 2000, C63: 0143147.Hara K, Sun Y. Int. J. Mod. Phys., 1995, E4: 6378.Fernndez-Niello et al. Nucl. Phys., 1991, A531: 1649.Sheline R K, CHEN YS, Leader G A. Nucl. Phys., 1988,A486: 306

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CHEN Yong-Jing, CHEN Yong-Shou, ZHU Sheng-Jiang and GAO Zao-Cun. Reflection-Asymmetric Shell Model Description of the Nuclei 221,223Ra[J]. Chinese Physics C, 2004, 28(S1): 40-42.
CHEN Yong-Jing, CHEN Yong-Shou, ZHU Sheng-Jiang and GAO Zao-Cun. Reflection-Asymmetric Shell Model Description of the Nuclei 221,223Ra[J]. Chinese Physics C, 2004, 28(S1): 40-42. shu
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Received: 2004-12-30
Revised: 1900-01-01
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Reflection-Asymmetric Shell Model Description of the Nuclei 221,223Ra

    Corresponding author: CHEN Yong-Jing,
  • Physics Department, Tsinghua University, Beijing 100084, China2 China Institute of Atomic Energy, Beijing 102413, China
  • Received Date: 2004-12-30
  • Accepted Date: 1900-01-01
  • Available Online: 2004-04-02

Abstract: Reflection asymmetric shell model is applied for the description of the low-energy level spectrum in odd-A 221,223Ra nuclei. The ground-state spin parity and the ground-state parity doublet bands are well reproduced by the present model. The presence of parity doublets suggests reflection-asymmetric (octupole deformed) shapes for nuclei 221Ra and 223Ra.

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