Predictions of Alpha Decay Half lives of Heavy and Superheavy Elements

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dc.creatorSamanta, C.
dc.creatorChowdhury, P. Roy
dc.creatorBasu, D. N.
dc.date2007-03-27
dc.date2007-05-28
dc.date.accessioned2026-07-07T08:08:58Z
dc.date.available2026-07-07T08:08:58Z
dc.descriptionTheoretical 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 obtained by folding the densities of interacting nuclei with the DDM3Y effective nuclear interaction. The $α$-decay half lives calculated in this formalism using the experimental $Q$-values are in good agreement over a wide range of experimental data. Half lives are also calculated using $Q$-values extracted from two mass formulae. The Viola-Seaborg-Sobiczewski (VSS) estimates of $α$-decay half lives with the same $Q$-values are presented for comparison. The half life calculations are found to be quite sensitive to the choice of $Q$-values. Comparison with the experimental data delineates the inadequacies of older mass predictions in the domain of heavy and superheavy elements as compared to the newer one by Muntian-Hofmann-Patyk-Sobiczewski, and highlights necessity of a more accurate mass formula which can predict $Q$-values with even higher precision.
dc.description18 pages including 5 figures and 1 table
dc.identifierhttps://arxiv.org/abs/nucl-th/0703086
dc.identifierhttp://arxiv.org/abs/nucl-th/0703086
dc.identifierNucl.Phys.A789:142-154,2007
dc.identifierdoi:10.1016/j.nuclphysa.2007.04.001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/131443
dc.subjectNuclear Theory
dc.subjectAstrophysics
dc.subjectNuclear Experiment
dc.subjectQuantum Physics
dc.titlePredictions of Alpha Decay Half lives of Heavy and Superheavy Elements
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