HALF-LIVES

作品数：63被引量：36H指数：3
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Effects of nuclear deformation and surface polarization on proton-emission half-lives
《Chinese Physics C》2025年第4期186-198,共13页Hanlin Wang Zhen Wang Dong Bai Dongdong Ni Zhongzhou Ren 
Supported by the National Key R&D Program of China(2023YFA1606503);the National Natural Science Foundation of China(12035011,12447114,12022517,11975167);the Postdoctoral Fellowship Program of CPSF(GZB20240560)。
Proton radioactivity is used to investigate the characteristics of unstable neutron-deficient nuclei beyond the proton dripline.Based on the tunneling of one proton through the potential barrier formed by Woods-Saxon ...
关键词：proton emission proton dripline Gamow model 
Enhanced empirical formulas forα-decay of heavy and superheavy nuclei:Incorporating deformation effects of daughter nuclei
《Chinese Physics C》2025年第3期115-131,共17页M.Ismail A.Adel Asmaa Ibrahim 
The latest experimental data ofα-decay half-lives for 573 nuclei within the range of 52≤Z≤118 are utilized to enhance empirical formulas with updated coefficients.These formulas are enhanced by analyzing the contri...
关键词：α-decay half-lives empirical formulas deformation effects superheavy nuclei 
A simple model for two-proton radioactivity
《Chinese Physics C》2024年第10期247-255,共9页Jie-Dong Jiang Xiao Liu Dong-Meng Zhang Ming Li Xi-Jun Wu Xiao-Hua Li 
Supported in part by the National Natural Science Foundation of China(12175100,11975132);the Construct Program of the Key Discipline in Hunan Province,the Research Foundation of Education Bureau of Hunan Province,China(21B0402,18A237);the Natural Science Foundation of Hunan Province,China(2018JJ2321);the Innovation Group of Nuclear and Particle Physics in USC,the Natural Science Foundation of Shandong Province,China(ZR2022JQ04);the Innovation Foundation For Postgraduate of Hunan Province,China(CX20220993);the Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment,University of South China(2019KFZ10)。
In this work,considering the preformation factor of the emitted two protons in parent nucleus S_(2p) and the effect of the parent nucleus deformation,based on the Wentzel-Kramers-Brillouin approximation and Bohr-Somme...
关键词：two-proton radioactivity HALF-LIVES Wentzel-Kramers-Brillouin approximation 
An improved simple model for α decay half-lives
《Chinese Physics C》2024年第7期131-159,共29页朱小彦 骆松 高玮 亓林静 李明 李小华 林文斌 
Supported in part by the National Natural Science Foundation of China(12175100,11975132);the Construct Program of the Key Discipline in Hunan Province,the Research Foundation of Education Bureau of Hunan Province,China(22A0305,21B0402);the Natural Science Foundation of Hunan Province,China(2018JJ2321);the Innovation Group of Nuclear and Particle Physics in USC the Hunan Provincial Innovation Foundation for Postgraduate(CX20230962)。
In this paper,using theαparticle preformation probabilities Pαfrom Xu et al.[Xu and Ren,Nucl.Phys.A 760,303(2005)],which were extracted by fitting experimental half-lives ofαdecay,based on a phenomenological harmon...
关键词：harmonic oscillator potential αdecay HALF-LIVES centrifugal potential 
Systematic study of cluster radioactivity in trans-lead nuclei with various versions of proximity potential formalisms
《Chinese Physics C》2024年第5期209-225,共17页刘潇 蒋杰栋 吴喜军 李小华 
Supported in part by the National Natural Science Foundation of China(12175100,11975132);the construct program of the key discipline in Hunan province,the Research Foundation of Education Bureau of Hunan Province,China(18A237,22A0305);Hunan Provincial Department of Education Scientific Research Project(19A440);the Shandong Province Natural Science Foundation,China(ZR2022JQ04);the Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment,University of South China(2019KFZ10);the Innovation Group of Nuclear and Particle Physics in USC,Hunan Provincial Innovation Foundation for Postgraduate(CX20230962);Science and technology plan project of Hengyang City(202150063428).
In this study,based on the framework of the Coulomb and proximity potential model(CPPM),we systematically investigate the cluster radioactivity half-lives of 26 trans-lead nuclei by considering the cluster preformatio...
关键词：cluster radioactivity HALF-LIVES Coulomb and proximity potential model 
Theoretical calculations of proton emission half-lives based on a deformed Gamow-like model
《Chinese Physics C》2024年第4期107-114,共8页张冬萌 胡笑源 亓林静 刘宏铭 李明 李小华 
Supported in part by the National Natural Science Foundation of China (12175100, 11975132);the Construct Program of the Key Discipline in Hunan Province;the Research Foundation of Education Bureau of Hunan Province,China (21B0402, 18A237);the Natural Science Foundation of Hunan Province,China (2018JJ2321);the Innovation Group of Nuclear and Particle Physics in USC;the Shandong Province Natural Science Foundation,China (ZR2022JQ04);the Hunan Provincial Innovation Foundation For Postgraduate (CX20220993);the Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment,University of South China (2019KFZ10).
In this study,proton emission half-lives were investigated for deformed proton emitters with 53≤Z≤83based on the presented deformed Gamow-like model,where the deformation effect was included in the Coulomb potential...
关键词：proton emission HALF-LIVES deformed nuclei Gamow-like model 
α-particle preformation factors in heavy and superheavy nuclei
《Chinese Physics C》2024年第4期146-158,共13页骆松 张冬萌 亓林静 陈勋 初鹏程 李小华 
Supported in part by the National Natural Science Foundation of China (12175100, 11975132);the Construct Program of the Key Discipline in Hunan Province;the Research Foundation of Education Bureau of Hunan Province,China (21B0402, 18A237, 22A0305);the Natural Science Foundation of Hunan Province,China(2018JJ2321);the Innovation Group of Nuclear and Particle Physics in USC;the Shandong Province Natural Science Foundation,China (ZR2022JQ04);the Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment,University of South China (2019KFZ10);Hunan Provincial Innovation Foundation for Postgraduate (CX20230962).
In this study,α-particle preformation factors in heavy and superheavy nuclei from ^(220)Th to ^(294)Og are investigated.By combing experimental α decay energies and half-lives,the α-particle preformation factors P_...
关键词：αdecay HALF-LIVES preformation factors heavy and superheavy nuclei 
αDecay in extreme laser fields within a deformed Gamow-like model
《Nuclear Science and Techniques》2024年第2期131-144,共14页Qiong Xiao Jun-Hao Cheng Yang-Yang Xu You-Tian Zou Jun-Gang Deng Tong-Pu Yu 
This work was supported by the National Nature Science Foundation of China(Nos.12375244,12135009);the Science and Technology Innovation Program of Hunan Province(No.2020RC4020);the Hunan Provincial Innovation Foundation for Postgraduate(No.CX20210007);Natural Science Research Project of Yichang City(No.A23-2-028).
In this study, the effect of extreme laser fields on the α decay process of ground-state even–even nuclei was investigated.Using the deformed Gamow-like model, we found that state-of-the-art lasers can cause a sligh...
关键词：αDecay Deformed Gamow-like model HALF-LIVES Extreme laser field Penetration probability 
Random forest-based prediction of decay modes and half-lives of superheavy nuclei被引量：4
《Nuclear Science and Techniques》2023年第12期271-280,共10页Bo‑Shuai Cai Cen‑Xi Yuan 
supported by the Guangdong Major Project of Basic and Applied Basic Research under Grant No. 2021B0301030006;the computational resources from SYSU and the National Supercomputer Center in Guangzhou。
Information on the decay process of nuclides in the superheavy region is critical in investigating new elements beyond oganesson and the island of stability.This paper presents the application of a random forest algor...
关键词：Decay mode Superheavy nuclide Random forest 
Simple model for cluster radioactivity half-lives in trans-lead nuclei
《Chinese Physics C》2023年第11期68-77,共10页朱小彦 骆松 亓林静 张冬萌 李小华 林文斌 
Supported in part by the National Natural Science Foundation of China(12175100,11975132);the Construct Program of the Key Discipline in Hunan Province,the Research Foundation of the Education Bureau of Hunan Province,China(18A237);the Natural Science Foundation of Shandong Province,China(ZR2022JQ04);the Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment,University of South China(2019KFZ10);the Innovation Group of Nuclear and Particle Physics in USC,the Innovation Foundation for Postgraduate of Hunan Province,China(CX20230962)。
In this study,considering the modified preformation probability P_(c)to be log_(10)P_(c)=(A_(c)−1)/3log_(10)P_(α)+c′,where P_(α)and c′are theα-particle preformation probability and an adjustable parameter propose...
关键词：preformation probability WKB approximation cluster radioactivity HALF-LIVES 
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