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GLAST sensitivity to cosmological dark matter annihilations into γ-rays
- Bergström, L. (author)
-
- Conrad, Jan (author)
- KTH,Partikel- och astropartikelfysik
- Edsjö, J. (author)
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- Sellerholm, A. (author)
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- (creator_code:org_t)
- American Institute of Physics (AIP), 2007
- 2007
- English.
- In: First GLAST Symposium. - : American Institute of Physics (AIP). - 9780735404311 ; , s. 504-505
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- Pair annihilation of weakly interacting massive particle (WIMP) dark matter into high energy photons taking place in dark matter halos at all redshifts might contribute to the extragalactic diffuse gamma-ray radiation. The γ- annihilation channel would give rise to a distinct feature in the spectrum, a line which is distorted by the integration over all cosmological redshifts. We present a study of GLAST sensitivity to detect an extragalactic signal from a generic, thermal WIMP with a continuous spectrum part, modeled with annihilations into bb̄, and a γ-line, from the 2γ final state.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Cosmology
- Dark matter
- Extra galactic gamma-ray background
- Halo structure
Publication and Content Type
- ref (subject category)
- kon (subject category)
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- Bergström, L.
- Conrad, Jan
- Edsjö, J.
- Sellerholm, A.
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- Royal Institute of Technology
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