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Anomalies in the alpha-decay energies and half-lives of neutron-deficient Po isotopes
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2001 (English)In: Hyperfine Interactions, ISSN 0304-3843, E-ISSN 1572-9540, Vol. 132, no 04-jan, 141-146 p.Article in journal (Refereed) Published
Abstract [en]

The transition rates of DeltaL = 0 alpha transitions in them lightest Po isotopes are considerably slower than the transition rates of the heavier ones, even leading to a considerable deviation in the classical Geiger-Nuttall plot. Evidence will be given that due to particle-hole excitations through the Z = 82 proton shell, the groundstate of the lighter Po isotopes becomes deformed and direct alpha decay to the spherical groundstate of the corresponding Ph isotopes is highly retarded.

Place, publisher, year, edition, pages
2001. Vol. 132, no 04-jan, 141-146 p.
Keyword [en]
alpha decay, shape coexistence
URN: urn:nbn:se:kth:diva-21096ISI: 000172148900010OAI: diva2:339793
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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