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Description of the shape evolution in the yrast states of ^(186)Pt

Description of the shape evolution in the yrast states of ^(186)Pt

作     者:贺创业 吴晓光 郑云 李聪博 方忻 

作者机构:China Institute of Atomic Energy 

出 版 物:《Chinese Physics C》 (中国物理C(英文版))

年 卷 期:2014年第38卷第2期

页      面:10-14页

核心收录:

学科分类:08[工学] 0827[工学-核科学与技术] 082701[工学-核能科学与工程] 

基  金:Supported by National Natural Science Foundation of China(11175259 11075214 10927507) 

主  题:IBM total Routhian surface B(E2) X(3) model 

摘      要:^186Pt was tested in the framework of IBM-1 and the X(3) model. The results show that ^186Pt is located close to the shape phase transition point, but the B(E2) values little agree with the X(3) model. The shape evolution in the yrast states of186Pt is also discussed in detail. TRS calculation exhibits a flat bottomed potential at low spin states, but a relatively deep minimum at high spin states. It suggests that a shape evolution from vibrational mode to rotational mode happens in ^186Pt. The result is in agreement with the E-GOS calculation.

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