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《中国物理C》（英文）编辑部
2024年10月30日
Chinese Physics C> 2015, Vol. 39> Issue(2) : 024101 DOI: 10.1088/1674-1137/39/2/024101

Spin-dependent γ softness or triaxiality in even-even 132-138Nd nuclei

  • The properties of γ instability in rapidly rotating even-even 132-138Nd isotopes have been investigated using the pairing-deformation self-consistent total-Routhian-surface calculations in a deformation space of (β2, γ, β4). It is found that even-even 134-138Nd nuclei exhibit triaxiality in both ground and excited states, even up to high-spin states. The lightest isotope possesses a well-deformed prolate shape without a γ deformation component. The current numerical results are compared with previous calculations and available observables such as quadrupole deformation β2 and the feature of γ-band levels, showing basically a general agreement with the observed trend of γ correlations (e.g. the pattern of the odd-even energy staggering of the γ band). The existing differences between theory and experiment are analyzed and discussed briefly.
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CHAI Qing-Zhen, WANG Hua-Lei, YANG Qiong and LIU Min-Liang. Spin-dependent γ softness or triaxiality in even-even 132-138Nd nuclei[J]. Chinese Physics C, 2015, 39(2): 024101. doi: 10.1088/1674-1137/39/2/024101
CHAI Qing-Zhen, WANG Hua-Lei, YANG Qiong and LIU Min-Liang. Spin-dependent γ softness or triaxiality in even-even 132-138Nd nuclei[J]. Chinese Physics C, 2015, 39(2): 024101.  doi: 10.1088/1674-1137/39/2/024101 shu
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Received: 2014-04-25
Revised: 1900-01-01
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Spin-dependent γ softness or triaxiality in even-even 132-138Nd nuclei

    Corresponding author: WANG Hua-Lei,
  • Received Date: 2014-04-25
  • Accepted Date: 1900-01-01
  • Available Online: 2015-02-05

Abstract: The properties of γ instability in rapidly rotating even-even 132-138Nd isotopes have been investigated using the pairing-deformation self-consistent total-Routhian-surface calculations in a deformation space of (β2, γ, β4). It is found that even-even 134-138Nd nuclei exhibit triaxiality in both ground and excited states, even up to high-spin states. The lightest isotope possesses a well-deformed prolate shape without a γ deformation component. The current numerical results are compared with previous calculations and available observables such as quadrupole deformation β2 and the feature of γ-band levels, showing basically a general agreement with the observed trend of γ correlations (e.g. the pattern of the odd-even energy staggering of the γ band). The existing differences between theory and experiment are analyzed and discussed briefly.

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