Deformation of the N=Z nucleus 76Sr using beta-decay studies

Abstract

A novel method of deducing the deformation of the N=Z nucleus 76Sr is presented. It is based on the comparison of the experimental Gamow-Teller strength distribution B(GT) from its beta decay with the results of QRPA calculations. This method confirms previous indications of the strong prolate deformation of this nucleus in a totally independent way. The measurement has been carried out with a large Total Absorption gamma Spectrometer, "Lucrecia", newly installed at CERN-ISOLDE.

Accepted in Phys. Rev. Letters

References in corpus (3)

• Large-scale QRPA calculation of E1-strength and its impact on the neutron capture cross section
• Spin-isospin excitations and beta+/EC half-lives of medium-mass deformed nuclei
• Low-Lying 2+ states in neutron-rich oxygen isotopes in quasiparticle random phase approximation

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