Chiral doublet bands and energy-level crossing

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2009 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd
, , Citation Qi Bin et al 2009 Chinese Phys. C 33 43 DOI 10.1088/1674-1137/33/S1/014

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Author e-mails

mengj@pku.edu.cn

Author affiliations

1 School of Physics, and SK Lab. of Nucl. Phys. & Tech., Peking University, Beijing 100871, China

2 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China

3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China

4 Department of Space Science and Applied Physics, Shandong University at Weihai, Weihai 264209, China

5 Department of Physics, Beijing Normal University, Beijing 100875, China

6 Department of Physics, University of Stellenbosch, Stellenbosch, South Africa

Dates

  1. Received 3 September 2008
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1674-1137/33/S1/43

Abstract

Different definitions for chiral doublet bands based on excitation energies, B(E2) and B(M1) respectively are discussed in the triaxial particle rotor model. For the ideal chiral geometry, the selection rules of the electromagnetic transitions in different band definitions are illustrated. It is also shown that the energy-level crossings between chiral doublet bands may occur.

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