Interactions of ultrahigh-energy cosmic rays with photons in the galactic center

Ultrahigh-energy cosmic rays passing through the central region of the Galaxy interact with starlight and the infrared photons. Both nuclei and protons generate secondary fluxes of photons and neutrinos on their passage through the central region. We compute the fluxes of these secondary particles,...

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Published inAstroparticle physics Vol. 25; no. 4; pp. 242 - 245
Main Authors Kusenko, Alexander, Schissel, Jason, Stecker, Floyd W.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.01.2006
Subjects
Comics
Cosmic rays
Fluxes
Galaxies
Infrared
Neutrinos
Origins
Photons
Cosmic rays
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Summary:Ultrahigh-energy cosmic rays passing through the central region of the Galaxy interact with starlight and the infrared photons. Both nuclei and protons generate secondary fluxes of photons and neutrinos on their passage through the central region. We compute the fluxes of these secondary particles, the observations of which can be used to improve one’s understanding of origin and composition of ultrahigh-energy comic rays, especially if the violation of the Greisen–Zatespin–Kuzmin cutoff is confirmed by the future data.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0927-6505
1873-2852
DOI:10.1016/j.astropartphys.2006.02.001