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相关论文: Quest for a Universal Cluster Preformation Formula…

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In the present study, the newly established preformation formula is applied for the first time to study the kinematics of the cluster emission from various radioactive nuclei, especially those decaying to the double-shell closure $^{208}$Pb…

核理论 · 物理学 2023-06-28 Joshua T. Majekodunmi , M. Bhuyan , K. Anwar , N. Abdullah , Raj Kumar

The cluster dynamics of radioactive nuclei decaying to neighbouring daughter nuclei of the double magic $^{132}$Sn and $^{208}$Pb is investigated using the relativistic mean-field (RMF) approach with NL3$^*$ parameter set within the…

核理论 · 物理学 2023-07-06 Joshua T. Majekodunmi , M. Bhuyan , Raj Kumar

In the present work, based on Wentzel-Kramers-Brillouin (WKB) theory, considering the cluster preformation probability (Pc), we systematically investigate the cluster radioactivity half-lives of 22 trans-lead nuclei ranging from 221Fr to…

核理论 · 物理学 2024-03-08 LinJing Qi , DongMeng Zhang , Song Luo , XiaoHua Li , XiJun Wu , ChunTian Liang

A detailed study of $\alpha$-clusters decay is exhibited by incorporating crucial microscopic nuclear structure information into the estimations of half-life and preformation factor. For the first time, using the k-cross validation…

核理论 · 物理学 2024-02-08 G. Saxena , P. K. Sharma , Prafulla Saxena

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

In this work, a microscopic effective nucleon-nucleon interaction based on the Dirac-Brueckner-Hartree-Fock $G$ matrix starting from a bare nucleon-nucleon interaction is used to explore the $\alpha$-decay half-lives of the nuclei near…

核理论 · 物理学 2025-11-12 Jing Li , Shan He , Yueqing Li , Weiwei Wang , Yanzhao Wang , Jianzhong Gu

Geiger-Nuttall Law is the simplest relation in radioactive decay relating the half-life and the decay energy. Initially restricted to $\alpha$ decay of individual isotopes, generalizations unifying different isotopes and decay modes under a…

核理论 · 物理学 2021-02-19 Omar Nagib , Ahmed M. Hamed

In the present work, based on Wentzel-Kramers-Brillouin theory, we systematically study the cluster radioactivity half-lives of 22 nuclei ranging from $^{221}$$\rm{Fr}$ to $^{242}$$\rm{Cm}$ by using a phenomenological model, which considers…

核理论 · 物理学 2023-10-11 Xiao Liu , Jie-Dong Jiang , Lin-Jing Qi , Yang-Yang Xu , Xi-Jun Wu , Xiao-Hua Li

A linear universal decay formula is presented starting from the microscopic mechanism of the charged-particle emission. It relates the half-lives of monopole radioactive decays with the $Q$-values of the outgoing particles as well as the…

核理论 · 物理学 2010-11-24 Chong Qi , Furong Xu , Roberto J. Liotta , Ramon A. Wyss

A linear relation for charged-particle emissions is presented starting from the microscopic mechanism of the radioactive decay. It relates the logarithms of the decay half-lives with two variables, called $\chi'$ and $\rho'$, which depend…

The cluster decays $^{228}$Th $\rightarrow \, ^{208}$Pb + $^{20}$O, $^{232}$U $\rightarrow \, ^{208}$Pb + $^{24}$Ne, $^{236}$Pu $\rightarrow \, ^{208}$Pb + $^{28}$Mg, $^{242}$Cm $\rightarrow \, ^{208}$Pb + $^{34}$Si are considered in the…

核理论 · 物理学 2013-11-18 V. Yu. Denisov

A new semiempirical formula, with only three parameters, is proposed for cluster decay half-lives. The parameters of the formula are obtained by making a least square fit to the available experimental data. The calculated half-lives are…

核理论 · 物理学 2013-03-14 M. Balasubramaniam , S. Kumarasamy , N. Arunachalam , Raj K. Gupta

A simple relation $(aZ_{c} + b)(Z_{d}/Q)^{1/2} + (cZ_{c} + d)$ of estimation of the half-life of cluster emission is further improved for cluster and $\alpha$-decays, separately, by incorporating isospin of parent nucleus as well as angular…

核理论 · 物理学 2023-08-08 G. Saxena , A. Jain

In present work, we systematically study the $\alpha$ decay half-lives of 170 even-even nuclei with $60 \leqslant Z \leqslant 118$ within the two-potential approach while the $\alpha$ decay preformation factor $P_\alpha$ is obtained by the…

核理论 · 物理学 2020-05-11 H. M. Liu , J. Y. Xu , J. G. Deng , B. He , X. H. Li

In the present work, the cluster radioactivity preformation probability Pc in the scheme of NpNn for the effective number of the valence particles (holes) in trans-lead nuclei has been systematically investigated. This quantity has been…

The cluster decay process in $^{270-318}$118 superheavy nuclei has been studied extensively within the Coulomb and proximity potential model (CPPM), thereby investigating the probable cluster decays from the various isotopes of $Z = 118$.…

核理论 · 物理学 2014-09-03 K. P. Santhosh , B. Priyanka

The feasibility for the alpha decay and the heavy particle decay from the even-even superheavy (SH) nuclei with Z = 116-124 have been studied within the Coulomb and proximity potential model (CPPM). The Universal formula for cluster decay…

核理论 · 物理学 2015-06-17 K. P. Santhosh , B. Priyanka

Exotic cluster decay of very heavy nuclei is studied using the microscopic nuclear potentials obtained by folding density dependent M3Y effective interaction with the densities of the cluster and the daughter nuclei. The microscopic nuclear…

核理论 · 物理学 2009-06-24 T. R. Routray , Jagajjaya Nayak , D. N. Basu

Within the Coulomb and proximity potential model (CPPM) the cluster decay process in {199-226}^Fr, {206-232}^Ac, {209-237}^Th, {212-238}^Pa, {217-241}^U, {225-242}^Np, {225-244}^Pu, {231-246}^Am, {202-230}^Ra and {233-249}^Cm isotopes…

核理论 · 物理学 2015-06-05 K. P. Santhosh , B. Priyanka , M. S. Unnikrishnan

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
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