Alpha-decay lifetimes semiempirical relationship including shell effects

Details Alpha-decay lifetimes semiempirical relationship including shell effects Alpha-decay lifetimes semiempirical relationship including shell effects

2006-10-09

arxiv.org/abs/nucl-th/0610030v1

Europhys.Lett.77:62001,2007

Physics

Nuclear Physics

Nuclear Theory

11 pages, 3 figures, revtex4

Scientific paper

10.1209/0295-5075/77/62001

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, and odd-odd nuclides. The deviations from experimental data for two regions of nuclear chart (493 alpha emitters with Z=52-118 and 142 transuranium nuclei including superheavies (Z=92-118), respectively) are compared with those obtained by using the universal curve and the Viola-Seaborg semiempirical relationship.

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