Proton-Nucleus Elastic Cross Sections Using Two-Body In-Medium Scattering Amplitudes

Details Proton-Nucleus Elastic Cross Sections Using Two-Body In-Medium Scattering Amplitudes Proton-Nucleus Elastic Cross Sections Using Two-Body In-Medium Scattering Amplitudes

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001stin...0182535t&link_type=abstract

Technical Report, NASA/TP-2001-211043; L-18089; NAS 1.60:211043

Physics

Nucleon-Nucleon Interactions, Proton Scattering, Scattering Amplitude, Transport Properties, Ion Scattering, Risk, Assessments

Scientific paper

Recently, a method was developed of extracting nucleon-nucleon (NN) cross sections in the medium directly from experiment. The in-medium NN cross sections form the basic ingredients of several heavy-ion scattering approaches including the coupled-channel approach developed at the Langley Research Center. 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 NN cross sections to calculate elastic 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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