Parametrization of gamma-ray production cross-sections for pp interactions in a broad proton energy range from the kinematic threshold to PeV energies

Abstract

Using publicly available Monte Carlo codes as well as compilation of published data on p--p interactions for proton kinetic energy below 2 GeV, we parametrize the energy spectra and production rates of $\gamma$-rays by simple but quite accurate ($\le 20\%$) analytical expressions in a broad range from the kinematic threshold to PeV energies.

arXiv comment19 pages, 15 figures, v2 version fixes the cross references

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