Possible Explanation for $E > 10^{20}$ eV Air Showers with Flavour-Changing Neutral Currents

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dc.creatorBordes, J.
dc.creatorChan, H. M.
dc.creatorFaridani, J.
dc.creatorPfaudler, J.
dc.creatorTsou, S. T.
dc.date1997-05-29
dc.date.accessioned2026-07-07T04:01:50Z
dc.date.available2026-07-07T04:01:50Z
dc.descriptionAir showers observed with $E > 10^{20}$ eV pose a problem since protons at such energies cannot survive a long journey through the 2.7 K microwave background. It is suggested that they are initiated instead by neutrinos which become strongly interacting through exchanges of gauge bosons associated with generation-changing neutral currents, a suggestion which is supported by calculations in a dualized standard model recently proposed. In turn, the suggestion bounds the mass of the gauge bosons and gives estimates for the branching ratios of FCNC s, c, b, and t meson decays which are accessible to experiments now being planned.
dc.description8 pages, Latex, no figures
dc.identifierhttps://arxiv.org/abs/hep-ph/9705463
dc.identifierhttp://arxiv.org/abs/hep-ph/9705463
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/46996
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectAstrophysics
dc.titlePossible Explanation for $E > 10^{20}$ eV Air Showers with Flavour-Changing Neutral Currents
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