期刊
ASTROPHYSICAL JOURNAL
卷 802, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/802/2/114
关键词
astroparticle physics; cosmic rays; scattering
资金
- Mercator Research Center Ruhr foundation (MERCUR) [Pr-2012-0008]
- Deutsche Forschungsgemeinschaft [Schl 201/29-1]
We present new results on the energy loss rate of high energy protons due to pion production in proton-proton interactions. Our calculations are based on the parameterized pion flux of Kelner et al. Our new results are valid for proton energies in the range of 1 GeV <= E <= 108 GeV, which enhance the valid energy range by orders of magnitude. With these results one can calculate the energy loss due to pion production for cosmic ray protons from low energies to energies between the knee and ankle.
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