Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..apru13010t&link_type=abstract
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As
Astronomy and Astrophysics
Astrophysics
Scientific paper
The multiple scattering theory has been modified to include the effect of the nucleon-nucleon (N-N) cross sections in the medium. These modified values of the N-N cross sections have been directly extracted from experiments and, as a result, are very reliable. We have also derived values of the ratio of the real to imaginary part of the two-body amplitudes in the medium. These two are blended in multiple scattering approach to calculate various types of cross sections, absorption, total, elastic and fragmentation for a number of collision systems. The details of the model and the comparison with the experiments will be discussed. The method provides a welcome step towards a comprehensive picture for the much-needed database for radiation transport codes used for the risk assessment for space missions.
Cucinotta Francis A.
Tripathi Ram K.
Wilson William J.
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