EPJ Web of Conferences (Jan 2016)

β-decay half-lives of neutron-rich nuclei around 158Nd, relevant to the formation of the A≈165 rare-earth element peak

  • Wu J.,
  • Nishimura S.,
  • Lorusso G.,
  • Xu Z.Y.,
  • Ideguchi E,
  • Simpson G.S.,
  • Baba H.,
  • Browne F.,
  • Daido R.,
  • Doornebal P.,
  • Fang Y.F.,
  • Isobe T.,
  • Li Z.,
  • Patel Z.,
  • Rice S.,
  • Sinclair L.,
  • Söderström P.-A.,
  • Sumikama T.,
  • Watanabe H.,
  • Yagi A.,
  • Yokoyama R.,
  • Aoi N.,
  • Garrote F.L. Bello,
  • Benzoni G.,
  • Gey G.,
  • Gottardo A.,
  • Nishibata H.,
  • Odahara A.,
  • Sakurai H.,
  • Tanaka M.,
  • Taprogge J.,
  • Yamamoto T.

DOI
https://doi.org/10.1051/epjconf/201610908003
Journal volume & issue
Vol. 109
p. 08003

Abstract

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A β-decay spectroscopy experiment around 158Nd was performed at RI Beam Factory (RIBF), RIKEN Nishina Center, in order to understand the production mechanism of the A≈165 rare-earth element (REE) peak in the r-process mass abundance pattern. In this experiment, 53 half-lives are measured including 34 new results, which could be employed in a fully dynamic r-process network calculation.