Seniority v=5 states in Nb484189

A. Bödeker, K. P. Lieb, C. J. Gross, M. K. Kabadiyski, D. Rudolph, M. Weiszflog, J. Eberth, H. Grawe, J. Heese, and K.-H. Maier
Phys. Rev. C 48, 1617 – Published 1 October 1993
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Abstract

Yrast and yrare states in the nucleus Nb89 have been studied in the reaction Ni58(36Ar,5p) by measuring γγ coincidences and directional correlation orientation with the OSIRIS array. In addition, γ-ray singles angular distributions have been taken with the reaction Ni58(35Cl,4p). Up to the highest spins observed (37/2+,33/2), the states identified line up with the ones predicted by the spherical shell model, taking into account three proton particles and two neutron holes in the g9/2 and p1/2 single-particle orbits. The shell model also reproduces most of the measured branching and E2/M1 mixing ratios. The mean lifetime of the 2152 keV 17/2 yrast state was determined as 0.74(7) ns.

  • Received 19 May 1993

DOI:https://doi.org/10.1103/PhysRevC.48.1617

©1993 American Physical Society

Authors & Affiliations

A. Bödeker, K. P. Lieb, C. J. Gross, M. K. Kabadiyski, D. Rudolph, and M. Weiszflog

  • II. Physikalisches Institut, Universität Göttingen, D-3400 Göttingen, Federal Republic of Germany

J. Eberth

  • Institut für Kernphysik der Universität zu Köln, D-5000 Köln 41, Federal Republic of Germany

H. Grawe, J. Heese, and K.-H. Maier

  • Hahn-Meitner-Institut GmbH, D-1000 Berlin 39, Federal Republic of Germany

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Vol. 48, Iss. 4 — October 1993

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