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Fermi Large Area Telescope Search for Photon Lines from 30 to 200 GeV and Dark Matter Implications
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2010 (engelsk)Inngår i: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 104, nr 9, s. 91302-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Dark matter (DM) particle annihilation or decay can produce monochromatic gamma rays readily distinguishable from astrophysical sources. gamma- ray line limits from 30 to 200 GeV obtained from 11 months of Fermi Large Area Space Telescope data from 20-300 GeV are presented using a selection based on requirements for a gamma-ray line analysis, and integrated over most of the sky. We obtain gamma-ray line flux upper limits in the range 0.6-4.5 x 10(-9) cm(-2) s(-1), and give corresponding DM annihilation cross-section and decay lifetime limits. Theoretical implications are briefly discussed.

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2010. Vol. 104, nr 9, s. 91302-
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URN: urn:nbn:se:su:diva-48941DOI: 10.1103/PhysRevLett.104.091302ISI: 000275252500009OAI: oai:DiVA.org:su-48941DiVA, id: diva2:376212
Merknad
authorCount :162Tilgjengelig fra: 2010-12-10 Laget: 2010-12-10 Sist oppdatert: 2017-12-11bibliografisk kontrollert

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Conrad, JanGarde, Maja LlenaRipken, JoachimSellerholm, Alexander
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