β decay studies of 109,107Sb

J. J. Ressler, W. B. Walters, D. S. Brenner, C. N. Davids, A. Heinz, G.-L. Poli, J. Shergur, and D. Seweryniak
Phys. Rev. C 65, 044330 – Published 5 April 2002
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Abstract

Low-spin, low energy-levels in 109,107Sn have been studied following the β-decay of a 17-s 109Sb and a 4-s 107Sb, respectively. A number of new transitions and levels are established in 109Sn with improved support for spin and parity assignments for previously known states. In addition, the presence of two pairs of levels separated by only 14 keV is confirmed. Four new levels are observed in 107Sn, three of them are below 1 MeV excitation energy. The structure of these nuclides is discussed, focusing on three-quasiparticle cluster structures, movement of the Fermi level, and extrapolations for the single-neutron levels in 101Sn.

  • Received 21 December 2001

DOI:https://doi.org/10.1103/PhysRevC.65.044330

©2002 American Physical Society

Authors & Affiliations

J. J. Ressler1,2,3, W. B. Walters1, D. S. Brenner4, C. N. Davids2, A. Heinz2, G.-L. Poli2, J. Shergur1, and D. Seweryniak2

  • 1Department of Chemistry, University of Maryland, College Park, Maryland 20742
  • 2Physics Division, Argonne National Laboratory, Argonne, Illinois 60439
  • 3A. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520
  • 4Department of Chemistry, Clark University, Worcester, Massachusetts 01610

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Vol. 65, Iss. 4 — April 2002

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