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 |
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container_title | Physical review. D |
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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 |
doi_str_mv | 10.1103/PhysRevD.70.063503 |
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D</title><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. 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D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bertone, Gianfranco</au><au>Nezri, Emmanuel</au><au>Orloff, Jean</au><au>Silk, Joseph</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Neutrinos from dark matter annihilations at the galactic center</atitle><jtitle>Physical review. D</jtitle><date>2004</date><risdate>2004</risdate><volume>70</volume><issue>6</issue><spage>063503</spage><epage>1-063503-8</epage><pages>063503-1-063503-8</pages><artnum>063503</artnum><issn>1550-7998</issn><issn>2470-0010</issn><issn>0556-2821</issn><eissn>1550-2368</eissn><eissn>2470-0029</eissn><eissn>1089-4918</eissn><abstract>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</abstract><cop>United States</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevD.70.063503</doi><orcidid>https://orcid.org/0000-0001-7144-140X</orcidid></addata></record> |
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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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