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

Joseph Lykken; Olga Mena; Soebur Razzaque

doi:10.1088/1475-7516/2007/12/015

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

Joseph Lykken, Olga Mena, Soebur Razzaque

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

A suppression in the spectrum of ultrahigh-energy (UHE, eV) neutrinos will be present in extra-dimensional scenarios, due to enhanced neutrino-anti- neutrino annihilation processes with the supernova relic neutrinos. In the n>4 scenario, n being the number of extra dimensions, neutrinos cannot 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.

Original language	English
Article number	015
Journal	Journal of Cosmology and Astroparticle Physics
Volume	2007
Issue number	12
DOIs	https://doi.org/10.1088/1475-7516/2007/12/015
Publication status	Published - 1 Dec 2007
Externally published	Yes

Keywords

Supernova neutrinos
Ultra high energy photons and neutrinos

ASJC Scopus subject areas

Astronomy and Astrophysics

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10.1088/1475-7516/2007/12/015

Cite this

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abstract = "A suppression in the spectrum of ultrahigh-energy (UHE, eV) neutrinos will be present in extra-dimensional scenarios, due to enhanced neutrino-anti- neutrino annihilation processes with the supernova relic neutrinos. In the n>4 scenario, n being the number of extra dimensions, neutrinos cannot 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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KW - Supernova neutrinos

KW - Ultra high energy photons and neutrinos

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

Abstract

Keywords

ASJC Scopus subject areas

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