4.5 Article

Neutron capture rates near A=130 that effect a global change to the r-process abundance distribution

Journal

PHYSICAL REVIEW C
Volume 79, Issue 4, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.79.045809

Keywords

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Funding

  1. Department of Energy [DE-FG05-05ER41398, DE-FG02-02ER41216]
  2. United States National Science Foundation [AST-0653376]
  3. Oak Ridge National Laboratory
  4. US Department of Energy [DE-AC05-000R22725]

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We investigate the impact of neutron capture rates near the A = 130 peak on the r-process abundance pattern. We show that these capture rates can alter the abundances of individual nuclear species, not only in the region of A = 130 peak but also throughout the abundance pattern. We discuss in general the nonequilibrium processes that produce these abundance changes and determine which capture rates have the most significant impact.

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