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

6533b829fe1ef96bd128aead

RESEARCH PRODUCT

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

Olga Mena Soebur Razzaque Joseph D. Lykken

subject

High Energy Physics - Theory Astrofísica Particle physics Physics::Instrumentation and Detectors Astrophysics::High Energy Astrophysical Phenomena FOS: Physical sciences Flux Cosmic ray Astrophysics 01 natural sciences 7. Clean energy High Energy Physics - Phenomenology (hep-ph)0103 physical sciences Ultrahigh energy 010306 general physics Physics Annihilation 010308 nuclear & particles physics Astrophysics (astro-ph)High Energy Physics::Phenomenology Astrophysics::Instrumentation and Methods for Astrophysics Astronomy and Astrophysics 3. Good health High Energy Physics - Phenomenology Supernova Extra dimensions High Energy Physics - Theory (hep-th)13. Climate action Large extra dimension High Energy Physics::Experiment Neutrino

description

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.

year	journal	country	edition	language
2007-05-14	Journal of Cosmology and Astroparticle Physics

https://doi.org/10.1088/1475-7516/2007/12/015

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