Direct neutron capture cross sections of Ni-62 in the s-process energy range

T. Rauscher, K. H. Guber

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Abstract

Direct neutron capture on Ni-62 is calculated in the DWBA and the Maxwellian averaged cross sections and astrophysical reaction rates in the energy range relevant for s-process nucleosynthesis are given. It is confirmed that the thermal value of the capture cross section contains a subthreshold resonance contribution. Contrary to previous investigations it is found that the capture at higher energies is dominated by p waves, thus leading to a considerably increased cross section at s-process energies and a modified energy dependence.

Original languageEnglish
Article number028802
Number of pages4
JournalPhysical Review C (nuclear physics)
Volume66
Issue number2
DOIs
Publication statusPublished - Aug 2002

Keywords

  • SCATTERING
  • MASSIVE STARS
  • NUCLEOSYNTHESIS
  • REACTION-RATES

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