Proton-Nucleus Total Cross Sections in Coupled-Channel Approach

Details Proton-Nucleus Total Cross Sections in Coupled-Channel Approach Proton-Nucleus Total Cross Sections in Coupled-Channel Approach

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000stin...0005026t&link_type=abstract

Technical Report, NASA/TP-2000-210534; L-17994; NAS 1.60:210534

Mathematics

Nucleon-Nucleon Interactions, Ionic Collisions, Protons, Absorption Cross Sections, Coupled Modes, Mathematical Models, Coulomb Potential, Scattering Amplitude, Ion Scattering, Matrices (Mathematics)

Scientific paper

Recently, nucleon-nucleon (N-N) cross sections in the medium have been extracted directly from experiment. The in-medium N-N cross sections form the basic ingredients of several heavy-ion scattering approaches including the coupled-channel approach developed at the Langley Research Center. In the present study the ratio of the real to the imaginary part of the two-body scattering amplitude in the medium was investigated. These ratios are used in combination with the in-medium N-N cross sections to calculate total proton-nucleus cross sections. The agreement is excellent with the available experimental data. These cross sections are needed for the radiation risk assessment of space missions.

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