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相关论文: Microscopic calculation of half lives of spherical…

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Half lives of the decays of spherical nuclei away from proton drip line by proton emissions are estimated theoretically. The quantum mechanical tunneling probability is calculated within the WKB approximation. Microscopic proton-nucleus…

核理论 · 物理学 2007-05-23 D. N. Basu , P. Roy Chowdhury , C. Samanta

The proton radioactivity lifetimes of spherical proton emitters from the ground and the isomeric states are calculated using the microscopic nucleon-nucleus interaction potentials. The daughter nuclei density distributions are folded with a…

核理论 · 物理学 2007-05-23 P. Roy Chowdhury , C. Samanta , D. N. Basu

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

Relativistic mean field calculations have been performed to obtain nuclear density pro- file. Microscopic interactions have been folded with the calculated densities of finite nuclei to obtain a semi-microscopic potential. Life time values…

核理论 · 物理学 2012-01-04 G. Gangopadhyay

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

In the present work we systematically study the half--lives of proton radioactivity for spherical proton emitters with ${Z\ge 69}$ based on two--potential approach. While the nuclear potential of the emitted proton--daughter nucleus is…

核理论 · 物理学 2021-11-24 Jiu-Long Chen , Xiao-Hua Li , Xi-Jun Wu , Peng-Cheng Chu , Biao He

The potential barrier impeding the spontaneous emission of protons in the proton radioactive nuclei is calculated as the sum of nuclear, Coulomb and centrifugal contributions. The nuclear part of the proton-nucleus interaction potential is…

核理论 · 物理学 2015-03-19 T. R. Routray , Abhishek Mishra , S. K. Tripathy , B. Behera , D. N. Basu

The results of extensive microscopic Relativistic Mean Field (RMF) calculations for the nuclei appearing in the alpha - decay chains of recently discovered superheavy elements with Z = 109 to 118 are presented and discussed. The calculated…

核理论 · 物理学 2009-11-11 Y. K. Gambhir , A. Bhagwat , M. Gupta

In the present work, we systematically study the proton radioactivity half-lives of 33 spherical nuclei based on the relationship between the Skyrme parameters and the macroscopic quantities of nuclear matter. Using the two-potential…

核理论 · 物理学 2022-10-05 Jun-Hao Cheng , Zhen Zhang , Xi-Jun Wu , Peng-Cheng Chu , Xiao-Hua Li

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

The half-lives of proton radioactivity of proton emitters are investigated theoretically by using KDE0v1 Skyrme interaction. The total barrier potential in the proton radioactive nuclei is calculated as the sum of the nuclear, Coulomb and…

核理论 · 物理学 2020-07-07 K. Madhuri , D. N. Basu , T. R. Routray , S. P. Pattnaik

The probability of $\alpha$ particle emission for some recently observed superheavy nuclei (SHN) are investigated. The $\alpha$-decay half lives of SHN are calculated in a quantum tunneling model with density dependent M3Y (DDM3Y) effective…

核理论 · 物理学 2011-03-02 Partha Roy Chowdhury , G. Gangopadhyay , Abhijit Bhattacharyya

Half-life of proton radioactivity of spherical proton emitters is studied within the scheme of covariant density functional (CDF) theory, and for the first time the potential barrier that prevents the emitted proton is extracted with the…

核理论 · 物理学 2014-11-26 Qiang Zhao , Jian Min Dong , Jun Ling Song , Wen Hui Long

Theoretical estimates for the half lives of about 1700 isotopes of heavy elements with Z from 100 to 130 are tabulated using theoretical Q-values. The quantum mechanical tunneling probabilities are calculated within a WKB framework using…

核理论 · 物理学 2008-11-26 P. Roy Chowdhury , C. Samanta , D. N. Basu

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

Radioactive decay of nuclei via emission of $\alpha$ particles has been studied theoretically in the framework of a superasymmetric fission model using the double folding (DF) procedure for obtaining the $\alpha$-nucleus interaction…

核理论 · 物理学 2008-11-26 D. N. Basu

The $\alpha$- decay half-lives of the superheavy nuclei are systematically studied using different versions of proximity potential and a exact method to calculate Coulomb potential between spherical and deformed nuclei in the framework of…

核理论 · 物理学 2019-08-07 O. N. Ghodsi , M. Hassanzad

Effects of various nuclear interaction potentials on the decay lifetimes and the turning points of the WKB action integral has been studied. The microscopic nuclear potential obtained by folding in the density distribution functions of the…

核理论 · 物理学 2007-05-23 D. N. Basu

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

In this study, a phenomenological model is proposed based on Wentzel-Kramers-Brillouin (WKB) theory and applied to investigate the two-proton ($2p$) radioactive half-lives of nuclei near or beyond the proton drip line. The total…

核理论 · 物理学 2021-10-27 Y. T. Zou , X. Pan , X. H. Li , H. M. Liu , X. J. Wu , B. He
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