Evidence for possible multiple chiral doublet bands with identical configuration in the odd-odd nucleus $^{126}\mathrm{Cs}$

Evidence for possible multiple chiral doublet bands with identical configuration in the odd-odd nucleus ${}^{126}{Cs}$

T. J. Gao, Jing-Bin Lu, Yingjun Ma, Yuhu Zhang, S. Q. Zhang, H. D. Wang, Jia-Qiang Liu, Pei-Yao Yang, Zhen Ren, Cheng-Qian Li, Q. B. Chen, Z. C. Gao, Jian Li, K. Y. Ma, and Guoxiang Dong

Phys. Rev. C 109, 024307 – Published 7 February 2024

Abstract

A pair of new possible chiral doublet bands has been experimentally identified for the first time in the odd-odd nucleus ${}^{126}{Cs}$ . The possibility of multiple chiral doublet $(M χ D)$ bands in ${}^{126}{Cs}$ was interpreted by projected shell model (PSM) calculations with a relatively complete configuration space. The newly observed bands and the first chiral doublet band reported earlier belong to an identical configuration, providing the first experimental and theoretical evidence for the existence of multiple chiral doublet bands of odd-odd nuclei in the $A \approx 130$ mass region.

Received 14 September 2023
Revised 7 December 2023
Accepted 18 January 2024

DOI:https://doi.org/10.1103/PhysRevC.109.024307

Physics Subject Headings (PhySH)

Energy levels High spin states Nuclear structure & decays Shell model

90 ≤ A ≤ 149

Nuclear data analysis & compilation

Nuclear Physics

Authors & Affiliations

T. J. Gao ¹, Jing-Bin Lu^1,*, Yingjun Ma¹, Yuhu Zhang², S. Q. Zhang³, H. D. Wang¹, Jia-Qiang Liu⁴, Pei-Yao Yang ¹, Zhen Ren¹, Cheng-Qian Li¹, Q. B. Chen ⁵, Z. C. Gao⁶, Jian Li¹, K. Y. Ma¹, and Guoxiang Dong ⁷

¹College of Physics, Jilin University, Changchun 130012, China
²Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
³State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
⁴National Space Science Center Chinese Academy of Sciences, Beijing 101400, China
⁵Department of Physics, East China Normal University, Shanghai 200241, China
⁶China Institute of Atomic Energy, Beijing 102413, China
⁷School of Science, Huzhou University, Huzhou 313000, China

^*Corresponding author: ljb@jlu.edu.cn

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Vol. 109, Iss. 2 — February 2024

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Physical Review C

covering nuclear physics

Evidence for possible multiple chiral doublet bands with identical configuration in the odd-odd nucleus ${}^{126}{Cs}$

T. J. Gao, Jing-Bin Lu, Yingjun Ma, Yuhu Zhang, S. Q. Zhang, H. D. Wang, Jia-Qiang Liu, Pei-Yao Yang, Zhen Ren, Cheng-Qian Li, Q. B. Chen, Z. C. Gao, Jian Li, K. Y. Ma, and Guoxiang Dong

Phys. Rev. C 109, 024307 – Published 7 February 2024

Abstract

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Physical Review C

covering nuclear physics

Evidence for possible multiple chiral doublet bands with identical configuration in the odd-odd nucleus Cs126

T. J. Gao, Jing-Bin Lu, Yingjun Ma, Yuhu Zhang, S. Q. Zhang, H. D. Wang, Jia-Qiang Liu, Pei-Yao Yang, Zhen Ren, Cheng-Qian Li, Q. B. Chen, Z. C. Gao, Jian Li, K. Y. Ma, and Guoxiang Dong

Phys. Rev. C 109, 024307 – Published 7 February 2024

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Evidence for possible multiple chiral doublet bands with identical configuration in the odd-odd nucleus ${}^{126}{Cs}$