Electromagnetic transitions in multiple chiral doublet bands

Hui Jia; Bin Qi; Shou-Yu Wang; Shuo Wang; Chen Liu

doi:10.1088/1674-1137/40/12/124103

Chinese Physics C> 2016, Vol. 40> Issue(12) : 124103 DOI: 10.1088/1674-1137/40/12/124103

Electromagnetic transitions in multiple chiral doublet bands

1.
Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai 264209, China

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Abstract：
Multiple chiral doublet bands (M_χD) in the 80, 130 and 190 mass regions are studied by the model of γ=90° triaxial rotor coupled with identical symmetric proton-neutron configurations. By selecting a suitable basis, the calculated wave functions are explicitly exhibited to be symmetric under the operator Â, which is defined as rotation by 90° about the 3-axis with the exchange of valance proton and neutron. We found that both M1 and E2 transitions are allowed between levels with different values of A, while they are forbidden between levels with same values of A. Such a selection rule holds true for M_χD in different mass regions.
- chiral doublet bands ,
- electromagnetic transition ,
- selection rule ,
- particle rotor model

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Hui Jia, Bin Qi, Shou-Yu Wang, Shuo Wang and Chen Liu. Electromagnetic transitions in multiple chiral doublet bands[J]. Chinese Physics C, 2016, 40(12): 124103. doi: 10.1088/1674-1137/40/12/124103

Hui Jia, Bin Qi, Shou-Yu Wang, Shuo Wang and Chen Liu. Electromagnetic transitions in multiple chiral doublet bands[J]. Chinese Physics C, 2016, 40(12): 124103. doi: 10.1088/1674-1137/40/12/124103 shu

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Received: 2016-07-01
Revised: 2016-09-02

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Supported by National Natural Science Foundation of China (11675094, 11622540, 11545011, 11405096, 11461141001, U1432119), Shandong Natural Science Foundation (ZR2014AQ012), and Young Scholars Program of Shandong University, Weihai (2015WHWLJH01)

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沈阳化工大学材料科学与工程学院沈阳 110142

Electromagnetic transitions in multiple chiral doublet bands

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Electromagnetic transitions in multiple chiral doublet bands

Corresponding author: Shou-Yu Wang, bqi@sdu.edu.cn

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