POENARU, D.N.; GHERGHESCU, R.A.; CARJAN, N.

doi:10.1209/0295-5075/77/62001

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POENARU, D.N.
Horia Hulubei National Institute of Physics and Nuclear Engineering [NIPNE]

GHERGHESCU, R.A.
Horia Hulubei National Institute of Physics and Nuclear Engineering [NIPNE]

CARJAN, N.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

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EPL - Europhysics Letters. 2007, vol. 77, p. 62001

European Physical Society/EDP Sciences/Società Italiana di Fisica/IOP Publishing

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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.< Réduire

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Alpha-decay lifetimes semiempirical relationship including shell effects

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