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相关论文: Exploring the competition between $\alpha$-decay a…

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The advent of radioactive ion beam facilities and new detector technologies have opened up new possibilities to investigate the radioactive decays of highly unstable nuclei, in particular the proton emission, $\alpha$ decay and heavy…

核理论 · 物理学 2016-05-31 Chong Qi

By employing the Coulomb proximity potential model (CPPM) in conjunction with 22 distinct proximity potential models, we investigated the temperature dependence and the effects of proton number and neutron number on the diffusion parameters…

核理论 · 物理学 2025-04-03 Panpan Qi , Xuanpeng Xiao , Gongming Yu , Haitao Yang , Qiang Hu

In this work, based on the framework of the Coulomb and proximity potential model (CPPM), we systematically study the cluster radioactivity half-lives of 26 trans-lead nuclei by considering the cluster preformation probability which is…

核理论 · 物理学 2024-03-05 Xiao Liu , Jie-Dong Jiang , Xi-Jun Wu , Xiao-Hua Li

The nuclear $\alpha$ decay of heavy nuclei is investigated based on the nuclear energy density functional, which leads to the $\alpha$ potential inside the parent nucleus in terms of the proton and neutron density profiles of the daughter…

核理论 · 物理学 2017-03-22 Yeunhwan Lim , Yongseok Oh

The influence of nuclear deformation on proton-decay half-lives has been systematically studied in microscopic theoretical frameworks for a wide range of nuclei with Z<82. Correlation between 1p-decay half-lives and the deformed nuclear…

核理论 · 物理学 2024-11-27 A. Jain , Pranali Parab , G. Saxena , Mamta Aggarwal

Half life values for proton radioactivity in nuclei have been calculated in the WKB approximation. The microscopic proton-nucleus potential has been obtained by folding the densities of daughter nuclei with two microscopic NN interactions,…

核理论 · 物理学 2008-11-26 Madhubrata Bhattacharya , G. Gangopadhyay

The half lives of proton radioactivity of proton emitters are investigated theoretically. Proton-nucleus interaction potentials are obtained by folding the densities of the daughter nuclei with a finite range effective nucleon-nucleon…

核理论 · 物理学 2012-06-08 T. R. Routray , S. K. Tripathy , B. B. Dash , B. Behera , D. N. Basu

Proton radioactivity has been investigated using the effective liquid drop model with varying mass asymmetry shape and effective inertial coefficient. An effective nuclear radius constant formula replaces the old empirical one in the…

核理论 · 物理学 2015-06-22 Zong-Qiang Sheng , Liang-Ping Shu , Guang-Wei Fan , Ying Msng , Jian-Fa Qian

Nuclear radial distance is a prerequisite for generating any alpha-decay half-life formula by taking a suitable effective potential. We study the emission process of alpha particles from an isolated quasi-bound state generated by an…

核理论 · 物理学 2018-08-01 Swagatika Bhoi , Basudeb Sahu

In the Coulomb and Proximity Potential Model (CPPM) framework, we have investigated the cluster radioactivity and alpha decay half-lives of superheavy nuclei. We study 22 different versions of proximity potential forms that have been…

核理论 · 物理学 2025-03-17 Xuanpeng Xiao , Panpan Qi , Gongming Yu , Haitao Yang , Qiang Hu

In the present work, we systematically study the $\mathcal{\alpha}$ decay preformation factors $P_{\alpha}$ within the cluster-formation model and $\mathcal{\alpha}$ decay half-lives by the proximity potential 1977 formalism for nuclei…

核理论 · 物理学 2019-04-18 Jun-Gang Deng , Jie-Cheng Zhao , Peng-Cheng Chu , Xiao-Hua Li

In this work we present a systematic study of the proton radioactivity half-lives of spherical proton emitters within the Coulomb and proximity potential model. We investigate 28 different versions of the proximity potential formalisms…

核理论 · 物理学 2019-05-09 Jun-Gang Deng , Xiao-Hua Li , Jiu-Long Chen , Jun-Hao Cheng , Xi-Jun Wu

Effect of deformation on half-life of two-proton (2p) radioactivity is investigated across the periodic chart for nuclei with Z$<$82. 2p-decay half-lives are estimated by employing our newly proposed semi-empirical formula wherein the…

核理论 · 物理学 2022-12-07 G. Saxena , Mamta Aggarwal , D. Singh , A. Jain , P. K. Sharma , H. L. Yadav

Different models for the nonlocal description of the nuclear interaction are compared through a study of their effects on the half-lives of radioactive nuclei decaying by the emission of alpha particles. The half-lives are evaluated by…

核理论 · 物理学 2019-02-14 J. E. Perez Velasquez , N. G. Kelkar , N. J. Upadhyay

The idea of the universal function is fundamental advantage of proximity potential model. We present a systematic study of the role of universal function of the proximity potential model on alpha decay process for 250 ground state to ground…

核理论 · 物理学 2025-11-25 S. Mohammadi , R. Gharaei , S. A. Alavi

A systematic study on $\alpha$-decay half-lives for the nuclei in the range $93\leq Z \leq 118$ is done by employing various versions of proximity potentials. To obtain the more reliable results, the deformation terms are included up to…

核理论 · 物理学 2021-09-29 M. Hassanzad , O. N. Ghodsi

The proton radioactivity half-lives of spherical proton emitters are investigated theoretically. The potential barriers preventing the emission of protons are determined in the quasimolecular shape path within a generalized liquid drop…

核理论 · 物理学 2009-08-12 J. M. Dong , H. F. Zhang , G. Royer

$\alpha$ decay is a common and important process for natural radioactivity of heavy and superheavy nuclei. The $\alpha$ decay half-lives for even-even nuclei from Z=62 to Z=118 are systematically researched based on the two-potential…

核理论 · 物理学 2019-04-22 Xiao-Dong Sun , Ping Guo , Xiao-Hua Li

In the present work we systematically study the half--lives of proton radioactivity for $51 \leq Z \leq 83$ nuclei based on the Gamow--like model with a screened electrostatic barrier. In this model there are two parameters while…

核理论 · 物理学 2019-05-09 Jiu-Long Chen , Xiao-Hua Li , Jun-Hao Cheng , Jun-Gang Deng , Xi-Jun Wu

Half-lives of radionuclides span more than 50 orders of magnitude. We characterize the probability distribution of this broad-range data set at the same time that explore a method for fitting power-laws and testing goodness-of-fit. It is…

数据分析、统计与概率 · 物理学 2015-05-28 Alvaro Corral , Francesc Font , Juan Camacho
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