Supernova Fallback: A Possible Site for the r-Process

  title={Supernova Fallback: A Possible Site for the r-Process},
  author={Chris L. Fryer and Falk Herwig and Aimee L. Hungerford and Francis X. Timmes},
  journal={The Astrophysical Journal Letters},
  pages={L131 - L134}
The conditions for the leading r-process site candidate, neutrino-driven winds, cannot be reproduced self-consistently in current supernova models. For that reason, we investigate an alternate model involving the mass ejected by fallback in a supernova explosion, through hydrodynamic and nucleosynthesis calculations. The nucleosynthetic products of this ejected material produce r-process elements, including those in the vicinity of the elusive third peak at mass number 195. Trans-iron element… 

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