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Title: Selected spectroscopic results on element 115 decay chains

We observed thirty correlated α-decay chains in an experiment studying the fusion-evaporation reaction 48Ca + 243Am at the GSI Helmholtzzentrum fur Schwerionenforschung. The decay characteristics of the majority of these 30 chains are consistent with previous observations and interpretations of such chains to originate from isotopes of element Z = 115. High-resolution α-photon coincidence spectroscopy in conjunction with comprehensive Monte-Carlo simulations allow to propose excitation schemes of atomic nuclei of the heaviest elements, thereby probing nuclear structure models near the 'Island of Stability' with unprecedented experimental precision.
Authors:
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  1. Lund Univ. (Sweden)
  2. GSI-Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt (Germany)
  3. Helmholtz Inst. of Mainz, Mainz (Germany)
  4. GSI-Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt (Germany); Helmholtz Inst. of Mainz, Mainz (Germany)
Publication Date:
OSTI Identifier:
1261407
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
Journal of Radioanalytical and Nuclear Chemistry
Additional Journal Information:
Journal Volume: 303; Journal Issue: 2; Journal ID: ISSN 0236-5731
Publisher:
Springer
Research Org:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE; Royal Physiographic Society in Lund; UK Science and Technology Facilities Council; Swedish Research Council; German Federal Ministry of Education and Research (BMBF); Office of Nuclear Physics
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY Superheavy elements; Nuclear spectroscopy; Nuclear structure