Alpha decay half-lives of new superheavy elements

Details Alpha decay half-lives of new superheavy elements Alpha decay half-lives of new superheavy elements

2005-07-25

arxiv.org/abs/nucl-th/0507054v2

Phys.Rev. C73 (2006) 014612

Physics

Nuclear Physics

Nuclear Theory

7 pages

Scientific paper

10.1103/PhysRevC.73.014612

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 $\alpha$-nucleus interaction potentials. These nuclear potentials have been obtained by folding the densities of the $\alpha$ and the daughter nuclei with the M3Y effective interaction, supplemented by a zero-range pseudo-potential for exchange along with the density dependence. Spherical charge distributions have been used for calculating the Coulomb interaction potentials. These calculations provide reasonable estimates for the observed $\alpha$ decay lifetimes and thus provide reliable predictions for other superheavies.

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