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GLAST sensitivity t...
GLAST sensitivity to cosmological dark matter annihilations into γ-rays
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Bergström, L. (författare)
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- Conrad, Jan (författare)
- KTH,Partikel- och astropartikelfysik
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Edsjö, J. (författare)
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Sellerholm, A. (författare)
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(creator_code:org_t)
- American Institute of Physics (AIP), 2007
- 2007
- Engelska.
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Ingår i: First GLAST Symposium. - : American Institute of Physics (AIP). - 9780735404311 ; , s. 504-505
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Cosmology
- Dark matter
- Extra galactic gamma-ray background
- Halo structure
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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