{Enhancement of Neutron Capture Rates for Deformed Nuclei and Impact on the r-process Nucleosynthesis Calculations | Zendy

Toshihiko Kawano | Zendy; Matthew Ryan Mumpower | Zendy; J. L. Ullmann | Zendy

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{Enhancement of Neutron Capture Rates for Deformed Nuclei and Impact on the r-process Nucleosynthesis Calculations

Author(s) -

Toshihiko Kawano,

Matthew Ryan Mumpower,

J. L. Ullmann

Publication year - 2016

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.7566/jpscp.14.011003

Subject(s) - nucleosynthesis , r process , nuclear physics , neutron , neutron capture , physics , process (computing) , nuclear reaction , computer science , operating system

We calculate neutron radiative capture cross sections for medium to heavy mass nuclei with the statistical Hauser-Feshbach theory, and compare with recommended cross sections in the evaluated nuclear data libraries, ENDF/B-VII.1 and JENDL-4. We introduce an M1 scissors mode into the γray decay channel, and estimate the strength of M1 by comparing calculated cross sections with the evaluated data. We show the estimated M1 enhances the neutron capture cross sections for deformed nuclei. A simple sensitivity study is performed to test this enhancement for the nucleosynthesis calculations.

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