Superallowed Fermi transitions in RPA with a relativistic point-coupling energy functional

作     者：LI ZhaoXi YAO JiangMing CHEN Hong 

作者机构：School of Physical Science and TechnologySouthwest UniversityChongqing 400715China 

出 版 物：《Science China(Physics,Mechanics & Astronomy)》 (中国科学：物理学、力学、天文学（英文版）)

年 卷 期：2011年第54卷第6期

页      面：1131-1136页

核心收录：

学科分类：070207[理学-光学] 0809[工学-电子科学与技术（可授工学、理学学位）] 07[理学] 08[工学] 0702[理学-物理学] 

基　　金：supported by the National Natural Science Foundation of China (Grant No.10947013) the Fundamental Research Funds for the Central Universities (Grant No.XDJK2010B007) the SWU Initial Research Foundation Grant to Doctor (Grant No.SWU109011) 

主　　题：superallowed Fermi transition random phase approximation relativistic point-coupling energy functional CabibboKobayashi-Maskawa matrix 

摘      要：The self-consistent random phase approximation (RPA) approach with the residual interaction derived from a relativistic pointcoupling energy functional is applied to evaluate the isospin symmetry-breaking corrections δ c for the 0+ → 0+ superallowed Fermi *** these δ c values,together with the available experimental f t values and the improved radiative corrections,the unitarity of the Cabibbo-Kobayashi-Maskawa (CKM) matrix is *** with the consideration of uncertainty,the sum of squared top-row elements has been shown to deviate from the unitarity condition by 0.1% for all the employed relativistic energy functionals.