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Title: Alpha-Photon Coincidence Spectroscopy Along Element 115 Decay Chains

Conference · · Acta Physica Polonica. Series B
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  1. Lund Univ., Lund (Sweden)
  2. GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt (Germany)
  3. Helmholtz Institute Mainz, Mainz (Germany)
  4. Johannes Gutenberg-Univ. Mainz, Mainz (Germany)
  5. GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt (Germany); Helmholtz Institute Mainz, Mainz (Germany); Johannes Gutenberg-Univ. Mainz, Mainz (Germany)
  6. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  7. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  8. Univ. of Liverpool, Liverpool (United Kingdom)
  9. GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt (Germany); Helmholtz Institute Mainz, Mainz (Germany)
  10. GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt (Germany); Japan Atomic Energy Agency, Tokai (Japan)
  11. Helmholtz Institute Mainz, Mainz (Germany); Johannes Gutenberg-Univ. Mainz, Mainz (Germany)
  12. Univ. of Oslo, Oslo (Norway)
  13. Paul Scherrer Institute and Univ. of Bern, Villigen (Switzerland)
+ Show Author Affiliations

Produced in the reaction 48Ca+ 243Am, thirty correlated α-decay chains were observed in an experiment conducted at the GSI Helmholzzentrum für Schwerionenforschung, Darmstadt, Germany. The decay chains are basically consistent with previous findings and are considered to originate from isotopes of element 115 with mass numbers 287, 288, and 289. A set-up aiming specifically for high-resolution charged particle and photon coincidence spectroscopy was placed behind the gas-filled separator TASCA. For the first time, γ rays as well as X-ray candidates were observed in prompt coincidence with the α-decay chains of element 115.

Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
DOE Contract Number:
AC02-05CH11231
OSTI ID:
1407228
Journal Information:
Acta Physica Polonica. Series B, Vol. 45, Issue 2; Conference: XXXIII Mazurian Lakes Conference on Physics, Piaski (Poland), 1-7 Sep 2013; ISSN 0587-4254
Publisher:
Jagiellonian University
Country of Publication:
United States
Language:
English

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