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Related papers: {\alpha}-decay half-lives for Pb isotopes within G…

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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 $Z = 118$.…

Nuclear Theory · Physics 2014-09-03 K. P. Santhosh , B. Priyanka

We employ, within the framework of Skyrme energy-density functional theory, the subtracted second random-phase approximation, recently developed for charge-exchange excitations, to compute $\beta$-decay half-lives in four nuclei, $^{24}$O,…

Nuclear Theory · Physics 2025-06-24 Danilo Gambacurta , Marcella Grasso

Although Geiger-Nuttall (GN) law gives a single straight line, if we consider the experimental data of alpha particle emitters including heavy and super heavy nuclei with proton numbers as large as 118, instead of getting a single linear…

Nuclear Theory · Physics 2016-12-14 Swagatika Bhoi , Basudeb Sahu

The microscopic description of alpha decay from the nucleons' degree of freedom involves a two-step process. The first consists of the clusterization of neutron and proton pairs; the second involves the tunneling process. A robust protocol…

Nuclear Theory · Physics 2024-07-26 A. C. Dassie , R. M. Id Betan

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…

Nuclear Theory · Physics 2016-04-06 A. I. Budaca , R. Budaca , I. Silisteanu

In the present work, we systematically study the two-proton (2p) radioactivity half-lives of nuclei close to the proton drip line within a modified Gamow-like model. Using this model, the calculated 2p radioactivity half-lives can well…

Nuclear Theory · Physics 2021-12-22 Hong-Ming Liu , You-Tian Zou , Xiao Pan , Biao He , Xiao-Hua Li

The half lives are calculated for the process of $\beta^\pm$ decay and electron capture for nuclei in mass range $\sim$ 65 - 100 relevant for the core of a massive star at late burning stage of steller evolution that leads to supernova…

Astrophysics · Physics 2007-05-23 Debasish Majumdar , Kamales Kar

We investigate the effect of pairing correlations on the computed Gamow-Teller (GT) strength distributions and corresponding $\beta$-decay half-lives. The calculations are performed for a total of 47 sd-shell nuclei, for $20 < A < 30$,…

Nuclear Theory · Physics 2025-03-24 Jameel-Un Nabi , Asim Ullah , Muhammad Tahir

The alpha-decay half-lives of recently synthesized superheavy nuclei (SHN) are investigated based on a unified fission model (UFM) where a new method to calculate the assault frequency of alpha-emission is used. The excellent agreement with…

Nuclear Theory · Physics 2011-02-28 Jianmin Dong , Wei Zuo , Jianzhong Gu , Yanzhao Wang , Bangbao Peng

We have calculated the $\beta^+$ decay of the proton rich nuclei $^{44}$V in a full fp-shell valence space. We obtain a theoretical half-life of 71~ms compared with the experimental value t$_{1/2}$ = 90 $\pm$ 25 ms. Besides, we make…

Nuclear Theory · Physics 2008-11-26 G. Martinez-Pinedo , A. Poves

New recent experimental $\alpha$ decay half-lives have been compared with the results obtained from previously proposed formulas depending only on the mass and charge numbers of the $\alpha$ emitter and the Q$\alpha$ value. For the heaviest…

Nuclear Experiment · Physics 2008-12-18 G. Royer , H. F. Zhang

Four groups (even-even, even-odd, odd-even and odd-odd) of heavy and super-heavy nuclei are of interest for the synthesis of the isotopes with $Z=119, 120$. We report calculations of $\alpha$~decay half-lives using four models: AKRA…

Nuclear Theory · Physics 2017-07-10 D. N. Poenaru , R. A. Gherghescu

Evaluated $2\beta^{-}(2\nu)$ half-lives and their systematics were reexamined in the framework of a phenomenological approach. Decay rate dependence on nuclear deformation, decay energy, shape coexistence, and forbidden transitions was…

Nuclear Theory · Physics 2023-03-22 B. Pritychenko

The Fragment Mass Analyzer at the ATLAS facility has been used to unambiguously identify the mass number associated with different decay modes of the nobelium isotopes produced via 204Pb(48Ca,xn)(252-x)No reactions. Isotopically pure…

Theoretical estimates of $\alpha$-decay half lives of several nuclei in the decay from element 113 are presented. Calculations in a WKB framework using DDM3Y interaction and experimental Q-values are in good agreement with the experimental…

Nuclear Theory · Physics 2008-11-26 P. Roy Chowdhury , D. N. Basu , C. Samanta

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…

Nuclear Theory · Physics 2007-05-23 P. Roy Chowdhury , C. Samanta , D. N. Basu

We present a microscopic model for the calculation of alpha-decay half lives employing potentials obtained from relativistic and non-relativistic self-consistent mean-field models. The nuclear and Coulomb potentials are used to obtain the…

Nuclear Theory · Physics 2009-11-11 Z. A. Dupre , T. J. Buervenich

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…

Nuclear Theory · Physics 2024-04-02 G. Saxena , Dashty T. Akrawy , Ali H. Ahmed , Mamta Aggarwal

The $\alpha$-decay energies ($Q_\alpha$) are systematically investigated with the nuclear masses for $10 \leq Z \leq 120$ isotopes obtained by the relativistic continuum Hartree-Bogoliubov (RCHB) theory with the covariant density functional…

Nuclear Theory · Physics 2016-08-03 Linfeng Zhang , Xuewei Xia

The alpha-decay half-lives and the alpha-capture cross-sections are evaluated in the framework of unified model for alpha-decay and alpha-capture. In the framework of this model the alpha-decay and alpha-capture are considered as…

Nuclear Theory · Physics 2010-12-02 V. Yu. Denisov , A. A. Khudenko