New Parameterization of Neutron Absorption Cross Sections

Details New Parameterization of Neutron Absorption Cross Sections New Parameterization of Neutron Absorption Cross Sections

Jun 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lrc..reptr....t&link_type=abstract

Technical Report, NASA Langley Research Center Hampton, VA United States

Mathematics

Absorption Cross Sections, Neutron Cross Sections, Neutrons, Protons, Collisions, Parameterization, Operators (Mathematics)

Scientific paper

Recent parameterization of absorption cross sections for any system of charged ion collisions, including proton-nucleus collisions, is extended for neutron-nucleus collisions valid from approx. 1 MeV to a few GeV, thus providing a comprehensive picture of absorption cross sections for any system of collision pairs (charged or uncharged). The parameters are associated with the physics of the problem. At lower energies, optical potential at the surface is important, and the Pauli operator plays an increasingly important role at intermediate energies. The agreement between the calculated and experimental data is better than earlier published results.

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