Signature Inversion in the Odd-Odd Nuclei with Mass A~80

  • To understand the microscopic origin of the signature inversion in the yrast positive-parity bands of doubly odd Rb nuclei, as an example, we performed calculations using the projected shell model (PSM) to describe the energy spectra in 82Rb. It can be seen that the main features are reproduced in the calculations. This analysis shows clearly that the signature splitting and especially the signature inversion are reproduced only by a varying γ deformation with increasing spin.
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SHEN Shui-Fa, WANG Feng-Ge, PENG Nie, CHEN Heng-Gui, LU Hao and WU Yong-Peng. Signature Inversion in the Odd-Odd Nuclei with Mass A~80[J]. Chinese Physics C, 2006, 30(12): 1234-1237.
SHEN Shui-Fa, WANG Feng-Ge, PENG Nie, CHEN Heng-Gui, LU Hao and WU Yong-Peng. Signature Inversion in the Odd-Odd Nuclei with Mass A~80[J]. Chinese Physics C, 2006, 30(12): 1234-1237. shu
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Received: 2006-07-10
Revised: 1900-01-01
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Signature Inversion in the Odd-Odd Nuclei with Mass A~80

    Corresponding author: SHEN Shui-Fa,
  • Key Laboratory of Nuclear Resources and Environment East China Institute of Technology,Ministry of Education, Nanchang 330013, China2 School of Nuclear Engineering and Technology, East China Institute of Technology, Fuzhou 344000, China3 School of Physics, Peking University, Beijing 100871, China4 School of Electric and Information Engineering, Zhongyun University of Technology , Zhengzhou 450007, China

Abstract: To understand the microscopic origin of the signature inversion in the yrast positive-parity bands of doubly odd Rb nuclei, as an example, we performed calculations using the projected shell model (PSM) to describe the energy spectra in 82Rb. It can be seen that the main features are reproduced in the calculations. This analysis shows clearly that the signature splitting and especially the signature inversion are reproduced only by a varying γ deformation with increasing spin.

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