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- Baltz, Edward A.Stanford, USA (author)
Pre-launch estimates for GLAST sensitivity to Dark Matter annihilation signals
- Article/chapterEnglish2008
Publisher, publication year, extent ...
- 2008-07-17
- IOP Publishing,2008
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:su-15550
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-15550URI
- https://doi.org/10.1088/1475-7516/2008/07/013DOI
Supplementary language notes
- Language:English
- Summary in:English
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- Totalt 28 författare.
- We investigate the sensitivity of the Gamma-ray Large Area Space Telescope (GLAST) for indirectly detecting weakly interacting massive particles (WIMPs) through the γ-ray signal that their pair annihilation produces. WIMPs are among the favorite candidates for explaining the compelling evidence that about 80% of the mass in the Universe is non-baryonic dark matter (DM). They are serendipitously motivated by various extensions of the standard model of particle physics such as supersymmetry and universal extra dimensions (UED). With its unprecedented sensitivity and its very large energy range (20 MeV to more than 300 GeV) the main instrument on board the GLAST satellite, the Large Area Telescope (LAT), will open a new window of discovery. As our estimates show, the LAT will be able to detect an indirect DM signature for a large class of WIMP models given a cuspy profile for the DM distribution. Using the current state of the art Monte Carlo and event reconstruction software developed within the LAT collaboration, we present preliminary sensitivity studies for several possible sources inside and outside the Galaxy. We also discuss the potential of the LAT to detect UED via the electron/positron channel. Diffuse background modeling and other background issues that will be important in setting limits or seeing a signal are presented
Subject headings and genre
- NATURVETENSKAP Fysik Subatomär fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
- mörk materia
- gamma-strålning
- Fermi/GLAST
- Astroparticle physics
- Astropartikelfysik
Added entries (persons, corporate bodies, meetings, titles ...)
- Bergström, LarsStockholms universitet,Fysikum,CoPS(Swepub:su)lbe (author)
- Bringmann, TorstenStockholms universitet,Fysikum,CoPS(Swepub:su)troms (author)
- Conrad, JanStockholms universitet,Fysikum,CoPS(Swepub:su)conrad (author)
- Edsjö, JoakimStockholms universitet,Fysikum,CoPS(Swepub:su)edsjo (author)
- Sellerholm, AlexanderStockholms universitet,Fysikum,CoPS(Swepub:su)sellerh (author)
- Stanford, USAFysikum (creator_code:org_t)
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- In:Journal of Cosmology and Astroparticle Physics: IOP Publishing0807:0131475-7516
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