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相关论文: A new semiempirical formula for exotic cluster dec…

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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

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

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

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

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

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

We present cluster decay studies of $^{56}$Ni$^*$ formed in heavy-ion collisions using different Fermi density and nuclear radius parameters proposed by various authors. Our study reveals that different technical parameters do not alter the…

核理论 · 物理学 2011-09-26 Narinder K. Dhiman

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 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

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

A new version of the semiempirical formula based on fission approach of alpha decay is derived, by using the optimum values of the fitting parameters determined for even-even nuclei, combined with hindrance factors for even-odd, odd-even,…

核理论 · 物理学 2008-11-26 D. N. Poenaru , R. A. Gherghescu , N. Carjan

We have calculated the half-lives of $^{56}$Ni$^{\ast}$ within PCM for clusters $\ge ^{16}$O. The cluster decay half-lives studied with respect to radius formula due to Royer (R$_{Royer}$) shows that the half-lives lie within $\pm$7%,…

核理论 · 物理学 2010-10-26 Narinder K. Dhiman

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, we study {\alpha} decay and proton emission half-lives within the modified Gamow-like model, which introduces the effects of the nucleus's deformation. The calculations show that it is necessary to consider the…

核理论 · 物理学 2022-12-07 Qiong Xiao , Jun-Hao Cheng , Tong-Pu Yu

The possibility of cluster emission from trans-lead (86$\leq$Z$\leq$96) region of periodic chart has been explored comprehensively by employing few empirical formulas which are modified by adding angular momentum ($l$) or isospin-dependent…

核理论 · 物理学 2023-01-25 A. Jain , P. K. Sharma , S. K. Jain , J. K. Deegwal , G. Saxena

The experimentally available data on the alpha decay half lives and Q? values for 96 superheavy nuclei are used to fix the parameters for a modified version of the Brown empirical formula through two fitting procedures which enables its…

核理论 · 物理学 2016-04-06 A. I. Budaca , R. Budaca , I. Silisteanu

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

The decay dynamical path is determined within the macroscopic-microscopic model for the emission of 24Ne from 232U. The nuclear shape parametrization is characterized five degrees of freedom. The single particle energies and the nucleon…

核理论 · 物理学 2011-07-15 Mihail Mirea , Aureliu Sandulescu , Doru Sabin Delion

A new semi-empirical formula for calculations of $\alpha$~decay halflives is presented. It was derived from Royer relationship by introducing new parameters which are fixed by fit to a set of experimental data. We are using three sets: set…

核理论 · 物理学 2017-10-11 D. T. Akrawy , D. N. Poenaru

We have calculated the half-lives for $^{56}$Ni$^{\ast}$ within PCM and UFM for clusters $\ge ^{16}$O. For PCM, the order of magnitude of cluster decay constants for different density parameters is nearly same, except for SM parameters.…

核理论 · 物理学 2010-10-26 Narinder K. Dhiman
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