High Spin Proton Emitters in Odd-Odd Nuclei and Shape Changes

Details High Spin Proton Emitters in Odd-Odd Nuclei and Shape Changes High Spin Proton Emitters in Odd-Odd Nuclei and Shape Changes

2002-12-18

arxiv.org/abs/nucl-th/0212078v1

Phys.Rev. C68 (2003) 054603

Physics

Nuclear Physics

Nuclear Theory

8 pages, 1 fugre

Scientific paper

10.1103/PhysRevC.68.054603

We present a formalism to describe proton emission from odd-odd nuclei based on a scattering like 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 $^{58}$Cu. 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 important $K$-hindrance of the decay. To fully account for the observed half-life in $^{58}$Cu, one has to consider a shape mixing in the final state.

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