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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 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 104, no 9, 91302- p.Article in journal (Refereed) 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, no 9, 91302- p.
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Natural Sciences
URN: urn:nbn:se:su:diva-48941DOI: 10.1103/PhysRevLett.104.091302ISI: 000275252500009OAI: diva2:376212
authorCount :162Available from: 2010-12-10 Created: 2010-12-10 Last updated: 2010-12-10Bibliographically approved

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Conrad, JanGarde, Maja LlenaRipken, JoachimSellerholm, Alexander
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Department of Physics
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