A Benchmark for Galactic Cosmic-Ray Transport Codes | Zendy

John Wilson | Zendy; Lawrence W. Townsend | Zendy

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A Benchmark for Galactic Cosmic-Ray Transport Codes

Author(s) -

John Wilson,

Lawrence W. Townsend

Publication year - 1988

Publication title -

radiation research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.918

H-Index - 124

eISSN - 1938-5404

pISSN - 0033-7587

DOI - 10.2307/3577217

Subject(s) - cosmic ray , astrophysics , physics , benchmark (surveying) , cosmic cancer database , astronomy , milky way , galaxy , geology , geodesy

A nontrivial analytic benchmark solution for galactic cosmic ray transport is presented for use in transport code validation. Computational accuracy for a previously-developed cosmic ray transport code is established to within one percent by comparison with this exact benchmark. Hence, solution accuracy for the transport problem is mainly limited by inaccuracies in the input spectra, input interaction databases, and the use of a straight ahead/velocity-conserving approximation.

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