Nuclear shape dependence of Gamow-Teller distributions in neutron-deficient Pb isotopes

Details Nuclear shape dependence of Gamow-Teller distributions in neutron-deficient Pb isotopes Nuclear shape dependence of Gamow-Teller distributions in neutron-deficient Pb isotopes

2005-10-13

arxiv.org/abs/nucl-th/0510040v1

Phys.Rev. C72 (2005) 054317

Physics

Nuclear Physics

Nuclear Theory

20 pages, 11 figures. To be published in Physical Review C

Scientific paper

10.1103/PhysRevC.72.054317

We study Gamow-Teller strength distributions in the neutron-deficient even isotopes (184-194)Pb in a search for signatures of deformation. The microscopic formalism used is based on a deformed quasiparticle random phase approximation (QRPA) approach, which involves a self-consistent quasiparticle deformed Skyrme Hartree-Fock (HF) basis and residual spin-isospin forces in both the particle-hole and particle-particle channels. By analyzing the sensitivity of the Gamow-Teller strength distributions to the various ingredients in the formalism, we conclude that the beta-decay of these isotopes could be a useful tool to look for fingerprints of nuclear deformation.

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