Neutrinos from dark matter annihilations at the galactic center

We discuss the prospects for detection of high energy neutrinos from dark matter annihilation at the Galactic centre. Despite the large uncertainties associated with our poor knowledge of the distribution of dark matter in the innermost regions of the Galaxy, we determine an upper limit on the neutr...

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Veröffentlicht in:Physical review. D 2004, Vol.70 (6), p.063503-1-063503-8, Article 063503
Hauptverfasser: Bertone, Gianfranco, Nezri, Emmanuel, Orloff, Jean, Silk, Joseph
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container_issue 6
container_start_page 063503
container_title Physical review. D
container_volume 70
creator Bertone, Gianfranco
Nezri, Emmanuel
Orloff, Jean
Silk, Joseph
description We discuss the prospects for detection of high energy neutrinos from dark matter annihilation at the Galactic centre. Despite the large uncertainties associated with our poor knowledge of the distribution of dark matter in the innermost regions of the Galaxy, we determine an upper limit on the neutrino flux by requiring that the associated gamma-ray emission does not exceed the observed flux. We conclude that if dark matter is made of neutralinos, a neutrino flux from dark matter annihilations at the GC will not be observable by Antares. Conversely, the positive detection of such a flux would either require an alternative explanation, in terms of astrophysical processes, or the adoption of other \DM candidates, disfavouring the case for neutralinos
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ispartof Physical review. D, 2004, Vol.70 (6), p.063503-1-063503-8, Article 063503
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language eng
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source American Physical Society Journals
subjects ANNIHILATION
Astrophysics
COSMIC NEUTRINOS
COSMOLOGY
Cosmology and Extra-Galactic Astrophysics
DISTRIBUTION
GALAXIES
GAMMA RADIATION
GEV RANGE
NEUTRINO DETECTION
NEUTRINO OSCILLATION
NONLUMINOUS MATTER
PHOTON EMISSION
Physics
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
REST MASS
SENSITIVITY
SPARTICLES
title Neutrinos from dark matter annihilations at the galactic center
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