The Ultra High Energy Cosmic Ray Spectrum from Relic Particle Decay and DGLAP Evolution

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dc.creatorToldra, Ramon
dc.date2002-01-10
dc.date.accessioned2026-07-07T02:02:12Z
dc.date.available2026-07-07T02:02:12Z
dc.descriptionWe calculate the spectrum of ultra high energy cosmic rays produced by the decay of a superheavy dark matter population clustered in the galactic halo. To perform this calculation we start with fragmentation functions measured at LEP and evolve them to the cosmic ray energy scale using the QCD DGLAP equations. We consider Standard Model evolution and supersymmetric evolution. We also take into account many-body final states in the decay of the dark matter particles.
dc.descriptionTalk at COSMO-01 Workshop, Rovaniemi, Finland, Aug 30-Sep 4, 2001. 9 pages, LaTeX, 3 eps figures
dc.identifierhttps://arxiv.org/abs/astro-ph/0201151
dc.identifierhttp://arxiv.org/abs/astro-ph/0201151
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/4006
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe Ultra High Energy Cosmic Ray Spectrum from Relic Particle Decay and DGLAP Evolution
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