Evidence for Predicted Level Crossings in π̃h92ν̃i132 Bands in Very Neutron-Deficient, Doubly Odd T1 Isotopes

A. J. Kreiner, C. Baktash, G. Garcia Bermudez, and M. A. J. Mariscotti
Phys. Rev. Lett. 47, 1709 – Published 14 December 1981
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Abstract

Isomeric transitions, of E3, M2, and E1M2 character, depopulating π̃h92ν̃i132 bands in T1186,188,190, respectively, have been found with use of γ-ray spectroscopic techniques. The changes in multipolarity reflect successive changes in the bandhead spin values corresponding to level crossings within the π̃h92ν̃i132 system. These crossings were predicted in the framework of the two-quasiparticle plus rotor model and interpreted as a direct consequence of the depletion of the i132 shell.

  • Received 10 June 1981

DOI:https://doi.org/10.1103/PhysRevLett.47.1709

©1981 American Physical Society

Authors & Affiliations

A. J. Kreiner*, C. Baktash, and G. Garcia Bermudez*

  • Brookhaven National Laboratory, Upton, New York 11973

M. A. J. Mariscotti

  • Comisión Nacional de Energía Atómica, Buenos Aires, Argentina

  • *On leave from Comisión Nacional de Energía Atómica, Libertador 8250, 1429 Buenos Aires, Argentina.

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Vol. 47, Iss. 24 — 14 December 1981

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