期刊论文

Li, Xiao-Hua

英文

Nuclear Physics A

0375-9474

2019

987

350-368

10.1016/j.nuclphysa.2019.05.002

This work is supported in part by the National Natural Science Foundation of China (Grant No. 11205083 ), the Construct Program of the Key Discipline in Hunan Province , the Research Foundation of Education Bureau of Hunan Province , China (Grant No. 15A159 , 18A237 and 17C1354 ), the Natural Science Foundation of Hunan Province , China (Grant No. 2015JJ3103 and No. 2015JJ2123 ), the Innovation Group of Nuclear and Particle Physics in USC , the double first class construct program of USC. This work is supported in part by the National Natural Science Foundation of China (Grant No. 11205083), the Construct Program of the Key Discipline in Hunan Province, the Research Foundation of Education Bureau of Hunan Province, China (Grant No. 15A159, 18A237 and 17C1354), the Natural Science Foundation of Hunan Province, China (Grant No. 2015JJ3103 and No. 2015JJ2123), the Innovation Group of Nuclear and Particle Physics in USC, the double first class construct program of USC.

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In the present work we systematically study α decay half-lives of Z>51 nuclei using the modified Gamow-like model which includes the effects of the centrifugal potential and electrostatic shielding. For the case of even-even nuclei, this model contains two adjustable parameters: the parameter a related to the screened electrostatic barrier and the radius constant r 0 , while for the case of odd-odd and odd-A nuclei, it is added a new parameter i.e. hindrance factor h which is used to describe the effect of an odd-proton and/or an odd-neutro...