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Title: High-spin structures in Xe 132 and Xe 133 and evidence for isomers along the N = 79 isotones

Journal Article · · Physical Review C
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  1. Institut fur Kernphysik, Universitat zu Koln (Germany)
  2. Universita di Padova (Italy). Dipartimento di Fisica e Astronomia; Laboratori Nazionali di Legnaro (Italy). Istituto Nazionale di Fisica Nucleare
  3. Laboratori Nazionali di Legnaro (Italy). Istituto Nazionale di Fisica Nucleare
  4. University of Birmingham (United Kingdom). School of Physics and Astronomy
  5. Saitama University, Saitama City (Japan). Department of Physics
  6. Istituto Nazionale di Fisica Nucleare, Sezione di Padova (Italy)
  7. Universita di Milano and INFN Sezione di Milano (Italy). Dipartimento di Fisica
  8. CEA Saclay, Service de Physique Nucleaire (France)
  9. University of Manchester (United Kingdom). Department of Physics and Astronomy, Schuster Laboratory
  10. University of the West of Scotland (United Kingdom). SUPA, School of Engineering and Computing
  11. Univ. of Rochester, NY (United States). Department of Physics
  12. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  13. Instituto de Física Corpuscular, CSIC - Universidad de Valencia (Spain)
  14. University of Surrey (United Kingdom). Department of Physics
  15. Univ. of Oslo (Norway). Department of Physics; Institut de Recherche sur les lois Fondamentales de l Univers - IRFU, CEA/DSM, Centre CEA de Saclay (France); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  16. Universita di Padova (Italy). Dipartimento di Fisica e Astronomia; Istituto Nazionale di Fisica Nucleare, Sezione di Padova (Italy)
  17. Instituto de Estructura de la Materia, CSIC Madrid (Spain)
  18. Institut de Recherche sur les lois Fondamentales de l Univers - IRFU, CEA/DSM, Centre CEA de Saclay (France)
  19. University of the West of Scotland (United Kingdom). Nuclear Physics Research Group; Universita di Padova (Italy). Dipartimento di Fisica e Astronomia; Istituto Nazionale di Fisica Nucleare, Sezione di Padova (Italy)
  20. Institut Laue-Langevin (ILL) (France)
  21. Ruder Boskovic Institute (Croatia)
  22. USIAS - Universite de Strasbourg, IPHC-CNRS (France)
  23. TRIUMF, Vancouver, British Columbia (Canada)
  24. Dipartimento di Fisica Teorica dell Universita di Torino and INFN (Italy)
  25. University of Surrey (United Kingdom). Department of Physics; National Physical Laboratory, Teddington (United Kingdom). Radioactivity Group
  26. Univ. of Oslo (Norway). Dept. of Physics
  27. University of Copenhagen (Denmark). The Niels Bohr Institute
  28. RIKEN Nishina Center, Wako (Japan)
  29. Universite de Lyon, Universite Lyon-1, CNRS/IN2P3, UMR5822, IPNL (France)
  30. Henryk Niewodniczanski Institute of Nuclear Physics PAN (Poland)
  31. Univ. of Rochester, NY (United States). Dept. of Physics
  32. CCLRC Daresbury Laboratory (United Kingdom)
  33. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

In this study, the transitional nuclei 132Xe and 133Xe are investigated after multinucleon-transfer (MNT) and fusion-evaporation reactions. Both nuclei are populated (i) in 136Xe + 208Pb MNT reactions employing the high-resolution Advanced GAmma Tracking Array (AGATA) coupled to the magnetic spectrometer PRISMA, (ii) in the 136Xe + 198Pt MNT reaction employing the GAMMASPHERE spectrometer in combination with the gas-detector array CHICO, and (iii) as an evaporation residue after a 130Te (α,xn) 134-xnXe fusion-evaporation reaction employing the HORUS γ -ray array at the University of Cologne. The high-spin level schemes are considerably extended above the Jπ = (7-) and (10+) isomers in 132Xe and above the 11/2- isomer in 133Xe. The results are compared to the high-spin systematics of the Z = 54 as well as the N = 78 and N = 79 chains. Furthermore, evidence is found for a long-lived (T1/2 » 1 μs) isomer in 133Xe which closes a gap along the N = 79 isotones. Finally, shell-model calculations employing the SN100PN and PQM130 effective interactions reproduce the experimental findings and provide guidance to the interpretation of the observed high-spin features.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1409951
Report Number(s):
LLNL-JRNL-741077; PRVCAN
Journal Information:
Physical Review C, Vol. 96, Issue 2; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

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Cited By (6)

Production cross sections for exotic nuclei with multinucleon transfer reactions journal September 2018
First observation of high-spin states in the N = 83 nucleus 142 Pr journal August 2019
Isomer spectroscopy in Ba 133 and high-spin structure of Ba 134 journal August 2019
Rotational band on a three-quasineutron isomer in Xe 127 journal May 2018
High-spin structure in the transitional nucleus Xe 131 : Competitive neutron and proton alignment in the vicinity of the N = 82 shell closure journal July 2018
Production cross sections for exotic nuclei with multinucleon transfer reactions preprint January 2018

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