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相关论文: Cluster radioactivity in trans-lead region: A syst…

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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 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 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

Various decay modes in superheavy nuclei have been of significant interest among which cluster radioactivity has recently gained sizable attention. The {\alpha}-decay being a predominant decay mode in the superheavy region, the accurate…

核理论 · 物理学 2024-04-02 G. Saxena , Dashty T. Akrawy , Ali H. Ahmed , Mamta Aggarwal

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

We have applied the Coulomb and proximity potential model,CPPM to calculate the half lives for various clusters decay of the selected even-even isotopes of the chosen nuclei. These nuclei are Hf, W, Os, Pt, and Hg in the 5d transition metal…

核理论 · 物理学 2016-01-14 K. E. Abd El Mageed , L. I. Abou Salem , K. A. Gado , Asmaa G. Shalaby

The effects of shell closure in nuclei via the cluster decay is studied. In this context, we have made use of the Preformed Cluster Model ($PCM$) of Gupta and collaborators based on the Quantum Mechanical Fragmentation Theory. The key point…

核理论 · 物理学 2011-11-09 Sushil Kumar , Ramna , Rajesh Kumar

The alpha and cluster decay properties of the $132-138$^Nd, $144-158$^Gd, $176-196$^Hg and $192-198$^Pb even-even isotopes in the two mass regions A = 130-158 and A = 180-198 are analysed using the Coulomb and Proximity Potential Model. On…

核理论 · 物理学 2014-11-21 K P Santhosh , Sabina Sahadevan

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

Within our fission model, the Coulomb and proximity potential model (CPPM) cluster formation probabilities are calculated for different clusters ranging from carbon to silicon for the parents in the trans-tin and trans- lead regions. It is…

核理论 · 物理学 2015-03-17 K. P. Santhosh , R. K. Biju , Sabina Sahadevan

This study presents a holistic picture of the preformation of nuclear clusters with credence to the kinematics of their emissions. Besides the fitting of the preformation formula to reproduce the experimental half-lives, we have…

核理论 · 物理学 2023-08-02 Joshua T. Majekodunmi , Raj Kumar , M. Bhuyan

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

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 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

Cluster radioactivity is the emission of a fragment heavier than $\alpha$ particle and lighter than mass 50. The range of clusters observed in experiments goes from $^{14}$C to $^{32}$Si while the heavy mass residue is always a nucleus in…

核理论 · 物理学 2015-03-19 M. Warda , L. M. Robledo

A comprehensive study of favoured and unfavoured $\alpha$-decay, cluster decay, weak-decay along with spontaneous fission in undetected superheavy nuclei within the range for proton number 111$\leq$Z$\leq$118 and neutron number…

核理论 · 物理学 2023-07-26 A. Jain , P. K. Sharma , S. K. Jain , Dashty T. Akrawy , G. Saxena

Decay modes in Pb isotopes within the range 176$\leq$A$\leq$266 are investigated by the calculation of half-lives using several empirical formulas. These formulas along with various theoretical treatments are first tested to reproduce…

核理论 · 物理学 2022-04-13 R. Sharma , A. Jain , P. K. Sharma , S. K. Jain , G. Saxena

Cluster decays half-lives of elements with proton numbers between 56 < Zp < 120 are calculated by applying temperature dependent proximity potential approach. for showing the influence of temperature on cluster decays, we compared the…

核理论 · 物理学 2014-08-22 Vahid Zanganeh

Recently, experimental researches on the $\alpha$ decay with long lifetime are one of hot topics in the contemporary nuclear physics [e.g. N. Kinoshita {\sl et al.} (2012) and J. W. Beeman {\sl et al.} (2012) ]. In this study, we have…

核理论 · 物理学 2014-10-13 Yibin Qian , Zhongzhou Ren

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
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