The low-lying rotational bands of the neutron-rich nucleus ^(172)Tm  

作　　者：CHEN BaoRen1,LI Tao1 & LIU ShuXin1,2 1 School of Physics,Peking University,Beijing 100871,China 2 Center of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Collisions,Lanzhou 730000,China 

出　　处：《Science China(Physics,Mechanics & Astronomy)》2009年第10期1542-1547,共6页中国科学：物理学、力学、天文学（英文版）

基　　金：Supported by the National Natural Science Foundation of China (Grant No.10675006)

摘　　要：The microscopic mechanism of four experimentally observed bands in 172Tm is investigated using the particle-number conserving method of the cranked shell model with monopole and quadrupole paring interactions.The experimental results,including the moments of inertia and angular momentum alignments of four bands in 172Tm are reproduced well by the particle-number conserving calculations.The ω variation of the occupation probability of each cranked orbital and the contribution to moment of inertia from each cranked orbital are analyzed.Other unobserved low-lying bands of 2-quansiparticles in 172Tm are predicted.The microscopic mechanism of four experimentally observed bands in 172Tm is investigated using the particle-number conserving method of the cranked shell model with monopole and quadrupole paring interactions.The experimental results,including the moments of inertia and angular momentum alignments of four bands in 172Tm are reproduced well by the particle-number conserving calculations.The ω variation of the occupation probability of each cranked orbital and the contribution to moment of inertia from each cranked orbital are analyzed.Other unobserved low-lying bands of 2-quansiparticles in 172Tm are predicted.

关 键 词：NEUTRON-RICH NUCLEUS RARE earth ROTATIONAL BAND 

分 类 号：O571[理学—粒子物理与原子核物理]