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New calculations of α-decay half-lives by the Viola-Seaborg formula.

Authors :
Tiekuang Dong
Zhongzhou Ren
Source :
European Physical Journal A -- Hadrons & Nuclei. Oct2005, Vol. 26 Issue 1, p69-72. 4p. 2 Charts, 5 Graphs.
Publication Year :
2005

Abstract

The Viola-Seaborg formula is a well-known formula for α-decay half-lives of heavy nuclei. In this work we obtain new parameters of this formula through a least-square fit to even-even nuclei between Z = 84 and Z = 110 with N greater than 126. On average, the formula can reproduce the half-lives of heavy even-even nuclei within a factor of 1.3. The formula with new parameters works well for the superheavy region which is a hot topic of nuclear physics. The numerical results from the formula are compared with those from the cluster model. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
14346001
Volume :
26
Issue :
1
Database :
Academic Search Index
Journal :
European Physical Journal A -- Hadrons & Nuclei
Publication Type :
Academic Journal
Accession number :
18824345
Full Text :
https://doi.org/10.1140/epja/i2005-10142-y