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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

The nuclear ground state properties of 67 80As nuclei have been investigated within the framework of relativistic mean field (RMF) approach. The RMF model with density dependent (DDME2) interaction is utilized for the calculation of…

核理论 · 物理学 2024-10-11 Jameel-Un Nabi , Abdul Kabir , Wajeeha Khalid , Syeda Anmol Rida , Izzah Anwaar

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

We use the relativistic mean field (RMF) model to conduct a thorough analysis of the ground-state properties of $^{67\text{--}80}$Ge nuclei. Binding energies and neutron skin thicknesses are computed for a total of 14 neutron-rich Ge…

核理论 · 物理学 2025-03-18 Jameel-Un Nabi , Wajeeha Khalid , Abdul Kabir , Syeda Anmol Rida

Finding the best model to describe the {\alpha}-decay process is an old and ongoing challenge in nuclear physics. The present work systematically studied {\alpha}-decay half-lives for the favored ground-state-to-ground-state transitions of…

核理论 · 物理学 2017-07-17 O. N. Ghodsi , A. Daei-Ataollah

The $\alpha$-decay half-lives of superheavy nuclei with $100 \leq Z \leq 120$ are comprehensively analyzed using the axially deformed relativistic mean field (RMF) formalism for the NL3$^*$ parameter set. We employ RMF binding energies to…

核理论 · 物理学 2024-03-06 Nishu Jain , M. Bhuyan , Raj Kumar

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

In the unknown territory of transfermium nuclei, the relativistic mean-field (RMF) theory has been applied to probe decay modes which include $\alpha$-decay, spontaneous fission (SF), and a less explored weak-decay. These decay modes are…

核理论 · 物理学 2020-10-28 U. K. Singh , P. K. Sharma , M. Kaushik , S. K. Jain , Dashty T. Akrawy , G. Saxena

The properties of recently predicted thermally fissile Th and U isotopes are studied within the framework of relativistic mean field (RMF) approach using axially deformed basis. We calculated the ground, first intrinsic excited state and…

核理论 · 物理学 2015-12-09 Bharat Kumar , S. K. Biswal , S. K. Singh , S. K. Patra

The $\alpha$-decay half-lives of 204 superheavy nuclei covering the range $114 \leq Z \leq 126$ have been investigated using the relativistic mean-field model (RMF) for NL3$^*$ parameter set. The ground state bulk properties such as binding…

核理论 · 物理学 2022-04-26 Nishu Jain , Raj Kumar , M. Bhuyan

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

An extensive study of $\alpha$-decay half-lives for various decay chains of isotopes of $Z$ = 120 is performed within the axially deformed relativistic mean-field (RMF) formalism by employing the NL3, NL3$^*$, and DD-ME2 parameter set. The…

核理论 · 物理学 2021-08-30 N. Biswal , Nishu Jain , Raj Kumar , A. S. Pradeep , M. Bhuyan

The lifetimes of $\alpha$ decays of the recently produced isotopes of the elements 112, 114, 116 and the element $^{294}118$ and of some decay products have been calculated theoretically within the WKB approximation using microscopic…

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

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

Based on the recent data in NUBASE2012, an improved empirical formula for evaluating the $\alpha$-decay half-lives is presented, in which the hindrance effect resulted from the change of the ground state spins and parities of parent and…

核理论 · 物理学 2015-06-24 Z. Y. Wang , Z. M. Niu , Q. Liu , J. Y. Guo

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

The calculations of the alpha decay half-lives of some Polonium isotopes in the mass range 186 - 218 have been carried out using the Wentzel-Kramers-Brillouin (WKB) semiclassical approximation. The alpha-nucleus effective potential used…

核理论 · 物理学 2021-11-11 W. A. Yahya , K. J. Oyewumi

We calculate the ground, first intrinsic excited states and density distribution for neutron-rich thorium and uranium isotopes, within the framework of relativistic mean field(RMF) approach using axially deformed basis. The total nucleon…

核理论 · 物理学 2016-03-01 B. Kumar , S. K. Biswal , S. K. Singh , C. Lahiri , S. K. Patra

Theoretical estimates for the lifetimes of several isotopes of heavy elements with Z=102-120 are presented by calculating the quantum mechanical tunneling probability in a WKB framework and using microscopic nucleus-nucleus potential…

核理论 · 物理学 2007-06-13 C. Samanta , P. Roy Chowdhury , D. N. Basu

The alpha decay half-lives of the recently produced isotopes of the 112, 114, 116 and 118 nuclei and decay products have been calculated in the quasi-molecular shape path using the experimental Qalpha value and a Generalized Liquid Drop…

核理论 · 物理学 2008-11-26 Hongfei Zhang , Wei Zuo , Junqing Li , G. Royer
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