The Cosmic γ-Ray Spectrum from Secondary Particle Production in Cosmic-Ray Interactions

Details The Cosmic γ-Ray Spectrum from Secondary Particle Production in Cosmic-Ray Interactions The Cosmic γ-Ray Spectrum from Secondary Particle Production in Cosmic-Ray Interactions

Mar 1970

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970ap%26ss...6..377s&link_type=abstract

Astrophysics and Space Science, Volume 6, Issue 3, pp.377-389

Astronomy and Astrophysics

Astrophysics

98

Scientific paper

The cosmic γ-ray spectrum below 1 GeV arising from cosmic ray p-p interactions is calculated. Its characteristics are determined by the properties of secondary neutral pion production occurring at accelerator energies. A model is chosen for numerical calculations in which the two dominant modes of neutral pion production at accelerator energies are the production of the Δ (1.238) isobar and one fireball. The effect of α-p and p-α interactions on the cosmic γ-ray spectrum is also calculated. The final results are given in terms of both differential and integral γ-ray energy spectra.

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