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Improved cross section calculations for astrophysical applicationsModifications 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.
Document ID
19850063062
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/191058
Authors
Silberberg, R. (Hulburt (E. O.) Center for Space Research Washington, DC, United States)
Tsao, C. H. (U.S. Navy, E.O. Hulburt Center for Space Research, Washington DC, United States)
Letaw, J. R. (Severn Communications Corp. Severna Park, MD, United States)
Date Acquired
August 12, 2013
Publication Date
August 1, 1985
Publication Information
Publication: Astrophysical Journal Supplement Series
Volume: 58
ISSN: 0067-0049
Subject Category
Astrophysics
Accession Number
85A45213
Distribution Limits
Public
Copyright
Other

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