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Title: One-neutron transfer study of Xe137 and systematics of 13/21+ and 13/22+ levels in N=83 nuclei

Excited states in 137Xe have been studied by using the near-barrier single-neutron transfer reactions 13C(136Xe,12C )137Xe and 9Be(136Xe,8Be )137Xe in inverse kinematics.Particle- and particle- coincidence measurements have been performed with the Phoswich Wall and Digital Gammasphere detector arrays. Evidence is found for a 13/2+2 level (E = 3137 keV) and for additional high-lying 3/2 and 5/2 states. The results are discussed in the framework of realistic shell-model calculations. These calculations are also extended to the 13/2+1 and 13/2+2 levels in the N = 83 isotonic chain. Furthermore, they indicate that there is a need for a value of the neutron 0i13/2 single-particle energy (ESPE = 2366 keV) lower than the one proposed in the literature. It is also demonstrated that the population patterns of the j = l ± 1/2 single-particle states in 137Xe are different for the two targets used in these measurements and the implications of this effect are addressed.
Authors:
 [1] ;  [1] ;  [1] ;  [1] ;  [2] ;  [3] ;  [4] ;  [5] ;  [4] ;  [4] ;  [6] ;  [5] ;  [7] ;  [4] ;  [8] ;  [4]
  1. Washington Univ., St. Louis, MO (United States)
  2. Univ. di Monte S. Angelo, Napoli (Italy)
  3. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. degli Studi di Milano, Milano (Italy)
  4. Argonne National Lab. (ANL), Argonne, IL (United States)
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  6. Argonne National Lab. (ANL), Argonne, IL (United States); Gesellschaft fuer Schwerionenforschung, Darmstadt (Germany)
  7. Univ. di Monte S. Angelo, Napoli (Italy); Seconda Univ. di Napoli, Caserta (Italy)
  8. UNAM (Mexico). Instituto de Ciencias Nucleares
Publication Date:
OSTI Identifier:
1324210
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 94; Journal Issue: 3; Journal ID: ISSN 2469-9985
Publisher:
APS
Research Org:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS