Improved cross section calculations for astrophysical applications

Details Improved cross section calculations for astrophysical applications Improved cross section calculations for astrophysical applications

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apjs...58..873s&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 58, Aug. 1985, p. 873-881. NASA-supported research.

Statistics

Computation

49

Computational Astrophysics, Cosmic Rays, Cross Sections, Nuclear Reactions, Protons, Semiempirical Equations, Abundance, Heavy Nuclei, Spallation

Scientific paper

Modifications are proposed for the semiempirical equations and parameters of Silberberg and Tsao (1973) for partial cross section calculations of proton-nucleus reactions in cosmic rays. These modifications include: adjustment of general parameters; modification of energy dependence; effects of nuclear alpha-particle structure, deuteron emission, and even-charged products; peripheral reactions; fission reactions; averaging cross sections near boundaries of different parameters; elimination of certain special cases; and treatment of the Pt to Pb group that cannot yet be generalized to Z(t) less than 76.

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