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

Nacher, E.; Algora, A.; Rubio, B.; Tain, J. L.; Cano-Ott, D.; Courtin, S.; Dessagne, Ph.; Marechal, F.; Miehe, Ch.; Poirier, E.; Borge, M. J. G.; Escrig, D.; Jungclaus, A.; Sarriguren, P.; Tengblad, O.; Gelletly, W.; Fraile, L. M.; Scornet, G. Le

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

Authors

Description

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