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Walker, P M; Hirayama, Y; Lane, G J; Watanabe, H; Dracoulis, G D; Ahmed, M; Brunet, M; Hashimoto, T; Ishizawa, S; Kondev, F G; Litvinov, Yu A; Miyatake, H; Moon, J Y; Mukai, M; Niwase, T; Park, J H; Podolyák, Zs; Rosenbusch, M; Schury, P; Wada, M; Watanabe, X Y; Liang, W Y; Xu, F R.
Affiliation
  • Walker PM; Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdom.
  • Hirayama Y; Wako Nuclear Science Center (WNSC), Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Wako, Saitama 351-0198, Japan.
  • Lane GJ; Department of Nuclear Physics, RSPhys, Australian National University, Canberra, Australian Capital Territory 2601, Australia.
  • Watanabe H; School of Physics, and International Research Center for Nuclei and Particles in Cosmos, Beihang University, Beijing 100191, China.
  • Dracoulis GD; Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan.
  • Ahmed M; Department of Nuclear Physics, RSPhys, Australian National University, Canberra, Australian Capital Territory 2601, Australia.
  • Brunet M; Wako Nuclear Science Center (WNSC), Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Wako, Saitama 351-0198, Japan.
  • Hashimoto T; University of Tsukuba, Tsukuba, Ibaraki 305-0006, Japan.
  • Ishizawa S; Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdom.
  • Kondev FG; Rare Isotope Science Project, Institute for Basic Science (IBS), Daejeon 305-811, Republic of Korea.
  • Litvinov YA; Wako Nuclear Science Center (WNSC), Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Wako, Saitama 351-0198, Japan.
  • Miyatake H; Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan.
  • Moon JY; Graduate School of Science and Engineering, Yamagata University, Yamagata 992-8510, Japan.
  • Mukai M; Physics Division, Argonne National Laboratory, Lemont, Illinois 60439, USA.
  • Niwase T; GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany.
  • Park JH; Wako Nuclear Science Center (WNSC), Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Wako, Saitama 351-0198, Japan.
  • Podolyák Z; Rare Isotope Science Project, Institute for Basic Science (IBS), Daejeon 305-811, Republic of Korea.
  • Rosenbusch M; Wako Nuclear Science Center (WNSC), Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Wako, Saitama 351-0198, Japan.
  • Schury P; Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan.
  • Wada M; University of Tsukuba, Tsukuba, Ibaraki 305-0006, Japan.
  • Watanabe XY; Wako Nuclear Science Center (WNSC), Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Wako, Saitama 351-0198, Japan.
  • Liang WY; Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan.
  • Xu FR; Department of Physics, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan.
Phys Rev Lett ; 125(19): 192505, 2020 Nov 06.
Article in En | MEDLINE | ID: mdl-33216598
ABSTRACT
Mass-separated ^{187}Ta_{114} in a high-spin isomeric state has been produced for the first time by multinucleon transfer reactions, employing an argon gas-stopping cell and laser ionization. Internal γ rays revealed a T_{1/2}=7.3±0.9 s isomer at 1778±1 keV, which decays through a rotational band with perturbations associated with the approach to a prolate-oblate shape transition. Model calculations show less influence from triaxiality compared to heavier elements in the same mass region. The isomer-decay reduced E2 hindrance factor f_{ν}=27±1 supports the interpretation that axial symmetry is approximately conserved.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Prognostic_studies Language: En Journal: Phys Rev Lett Year: 2020 Document type: Article
Fulltext
Print
XML
PubMed Links
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Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Prognostic_studies Language: En Journal: Phys Rev Lett Year: 2020 Document type: Article