Identification of shell-model states in Sb135 populated via β decay of Sn135

J. Shergur, A. Wöhr, W. B. Walters, K. -L. Kratz, O. Arndt, B. A. Brown, J. Cederkall, I. Dillmann, L. M. Fraile, P. Hoff, A. Joinet, U. Köster, and B. Pfeiffer
Phys. Rev. C 72, 024305 – Published 12 August 2005

Abstract

The β decay of Sn135 was studied at CERN/ISOLDE using a resonance ionization laser ion source and mass separator to achieve elemental and mass selectivity, respectively. γ-ray singles and γ-γ coincidence spectra were collected as a function of time with the laser on and with the laser off. These data were used to establish the positions of new levels in Sb135, including new low-spin states at 440 and 798 keV, which are given tentative spin and parity assignments of 3/2+ and 9/2+, respectively. The observed levels of Sb135 are compared with shell-model calculations using different single-particle energies and different interactions.

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  • Received 14 March 2005

DOI:https://doi.org/10.1103/PhysRevC.72.024305

©2005 American Physical Society

Authors & Affiliations

J. Shergur1,2, A. Wöhr1,3, W. B. Walters1, K. -L. Kratz4, O. Arndt4, B. A. Brown5, J. Cederkall6, I. Dillmann4, L. M. Fraile6,7, P. Hoff8, A. Joinet6, U. Köster6, and B. Pfeiffer4

  • 1Department of Chemistry, University of Maryland, College Park, Maryland 20742-2021, USA
  • 2Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
  • 3Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA
  • 4Institut für Kernchemie, Universität Mainz, D-55128 Mainz, Germany
  • 5Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321, USA
  • 6ISOLDE, PH Department, CERN, CH-1211 Genève 23, Switzerland
  • 7Departamento de Física Atómica Molecular y Nuclear, Universidad Complutense, E-28030 Madrid, Spain
  • 8Department of Chemistry, University of Oslo, NO-1163 Oslo, Norway

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Vol. 72, Iss. 2 — August 2005

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