Photons as Ultra High Energy Cosmic Rays ?

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dc.creatorKalashev, O. E.
dc.creatorKuzmin, V. A.
dc.creatorSemikoz, D. V.
dc.creatorTkachev, I. I.
dc.date2001-07-06
dc.date.accessioned2026-07-07T01:59:13Z
dc.date.available2026-07-07T01:59:13Z
dc.descriptionWe study spectra of the Ultra High Energy Cosmic Rays assuming primaries are protons and photons, and that their sources are extragalactic. We assume power low for the injection spectra and take into account the influence of cosmic microwave, infrared, optical and radio backgrounds as well as extragalactic magnetic fields on propagation of primaries. Our additional free parameters are the maximum energy of injected particles and the distance to the nearest source. We find a parameter range where the Greisen-Zatsepin-Kuzmin cut-off is avoided.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/astro-ph/0107130
dc.identifierhttp://arxiv.org/abs/astro-ph/0107130
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/3023
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Phenomenology
dc.titlePhotons as Ultra High Energy Cosmic Rays ?
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