High-spin structures in and and evidence for isomers along the isotones
- Institut fur Kernphysik, Universitat zu Koln (Germany)
- Universita di Padova (Italy). Dipartimento di Fisica e Astronomia; Laboratori Nazionali di Legnaro (Italy). Istituto Nazionale di Fisica Nucleare
- Laboratori Nazionali di Legnaro (Italy). Istituto Nazionale di Fisica Nucleare
- University of Birmingham (United Kingdom). School of Physics and Astronomy
- Saitama University, Saitama City (Japan). Department of Physics
- Istituto Nazionale di Fisica Nucleare, Sezione di Padova (Italy)
- Universita di Milano and INFN Sezione di Milano (Italy). Dipartimento di Fisica
- CEA Saclay, Service de Physique Nucleaire (France)
- University of Manchester (United Kingdom). Department of Physics and Astronomy, Schuster Laboratory
- University of the West of Scotland (United Kingdom). SUPA, School of Engineering and Computing
- Univ. of Rochester, NY (United States). Department of Physics
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Instituto de FÃsica Corpuscular, CSIC - Universidad de Valencia (Spain)
- University of Surrey (United Kingdom). Department of Physics
- 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)
- Universita di Padova (Italy). Dipartimento di Fisica e Astronomia; Istituto Nazionale di Fisica Nucleare, Sezione di Padova (Italy)
- Instituto de Estructura de la Materia, CSIC Madrid (Spain)
- Institut de Recherche sur les lois Fondamentales de l Univers - IRFU, CEA/DSM, Centre CEA de Saclay (France)
- 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)
- Institut Laue-Langevin (ILL) (France)
- Ruder Boskovic Institute (Croatia)
- USIAS - Universite de Strasbourg, IPHC-CNRS (France)
- TRIUMF, Vancouver, British Columbia (Canada)
- Dipartimento di Fisica Teorica dell Universita di Torino and INFN (Italy)
- University of Surrey (United Kingdom). Department of Physics; National Physical Laboratory, Teddington (United Kingdom). Radioactivity Group
- Univ. of Oslo (Norway). Dept. of Physics
- University of Copenhagen (Denmark). The Niels Bohr Institute
- RIKEN Nishina Center, Wako (Japan)
- Universite de Lyon, Universite Lyon-1, CNRS/IN2P3, UMR5822, IPNL (France)
- Henryk Niewodniczanski Institute of Nuclear Physics PAN (Poland)
- Univ. of Rochester, NY (United States). Dept. of Physics
- CCLRC Daresbury Laboratory (United Kingdom)
- 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
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