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High-spin proton emitters in odd-odd nuclei and shape changes
KTH, Superseded Departments, Physics.
KTH, Superseded Departments, Physics.
2003 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 68, no 5, 054603- p.Article in journal (Refereed) Published
Abstract [en]

We present a formalism to describe proton emission from odd-odd nuclei based on a scatteringlike approach. Special emphasis is given to the case of transitions between states with different deformations. As an example we estimate the proton half-life of the odd-odd nucleus Cu-58 . Our calculations show that the change of deformation in the decay process has a significant influence on the half life. In addition, the angular momentum coupling of proton and neutron orbitals can result in an additional K hindrance of the decay. To fully account for the observed half life in Cu-58 , we propose shape mixing of the final state.

Place, publisher, year, edition, pages
2003. Vol. 68, no 5, 054603- p.
Keyword [en]
deformed-nuclei, fine-structure, mean-field, drip-line, decay, radioactivity
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-23050DOI: 10.1103/PhysRevC.68.054603ISI: 000187578300041OAI: diva2:341748
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2010-08-23Bibliographically approved

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