Possible Candidates for Chirality in the Odd-Odd As Isotopes

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2020,（11）
• 所属期刊栏目: NUCLEAR PHYSICS
• 页码范围: 12-15
• 页数: 4页
• 语种: 英文
• DOI: 10.1088/0256-307X/37/11/112101

摘要

The deformations and the corresponding configurations of the odd-odd As isotopes are investigated using the adiabatic and configuration-fixed constrained triaxial relativistic mean field(RMF)theory.Energy minima with triaxial deformations and high-j particle-hole configurations are obtained in 72,74,76,78,80As,where the chiral dou?blet bands are possible to appear.The existence of multiple chiral doublet(MχD)is demonstrated in 74,76,78As.Based on the calculated single-particle levels,we also find possible coexistence of chiral and pseudospin symmetries in the odd-odd As isotopes.