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Ultrahigh-energy neutrino flux as a probe of large extra-dimensions

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arxiv 0705.2029 v2 pith:VCAQ5FZ5 submitted 2007-05-14 hep-ph astro-phhep-th

Joseph Lykken , Olga Mena , Soebur Razzaque This is my paper · ORCID
classification hep-phastro-phhep-th
keywords neutrinosextra-dimensionalneutrinospectrumultrahigh-energyabsenceannihilationcosmic
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A suppression in the spectrum of ultrahigh-energy (UHE, >= 10^{18} eV) neutrinos will be present in extra-dimensional scenarios, due to enhanced neutrino-antineutrino annihilation processes with the supernova relic neutrinos. In the n>4 scenario, being n the number of extra dimensions, neutrinos can not be responsible for the highest energy events observed in the UHE cosmic ray spectrum. A direct implication of these extra-dimensional interactions would be the absence of UHE neutrinos in ongoing and future neutrino telescopes.

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Cited by 1 Pith paper

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  1. High-Energy Neutrinos from Cosmic-Ray Scatterings with Supernova Neutrinos

    hep-ph 2025-08 conditional novelty 5.0 of 10

    Cosmic-ray boosted supernova neutrinos could be detectable in optimistic astrophysical scenarios and yield a bound of about 30 TeV on the extra-dimensional scale.

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