Strong colour fields and cosmic ray showers at ultra-high energies

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dc.creatorAlvarez-Muñiz, J.
dc.creatorde Deus, J. Dias
dc.creatorPajares, C.
dc.date2008-04-30
dc.date.accessioned2026-07-07T09:36:01Z
dc.date.available2026-07-07T09:36:01Z
dc.descriptionWe argue that the increase of the ratio baryon/meson due to the presence of strong colour fields and percolation in ultra-high energy hadronic collisions, helps to explain some of the global features of ultra-high energy cosmic ray cascades at E>10^18 eV and, in particular the observed excess in the number of muons with respect to current models of hadronic interactions. A reasonable agreement with the small value and slope of the average depth of shower maximum Xmax vs shower energy -- as seen in data collected at the Pierre Auger Observatory -- can be obtained with a fast increase of the p-Air production cross-section compatible with the Froissart bound.
dc.description12 pages, 3 Figs
dc.identifierhttps://arxiv.org/abs/0804.4751
dc.identifierhttp://arxiv.org/abs/0804.4751
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/160028
dc.subjectHigh Energy Physics - Phenomenology
dc.titleStrong colour fields and cosmic ray showers at ultra-high energies
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