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Detecting dark matter annihilation lines with Fermi
KTH, School of Engineering Sciences (SCI), Physics. University of Kalmar, Sweden .
2008 (English)In: Proc. Sci., 2008Conference paper, Published paper (Refereed)
Abstract [en]

Dark matter constitutes one of the most intriguing but so far unresolved issues in physics today. In many extensions of the Standard Model the existence of a stable Weakly Interacting Massive Particle (WIMP) is predicted. The WIMP is an excellent dark matter particle candidate and one of the most interesting scenarios include an annihilation of two WIMPs into two gamma-rays. If the WIMPs are assumed to be non-relativistic, the resulting photons will both have an energy equal to the mass of the WIMP and manifest themselves as a monochromatic spectral line in the energy spectrum. This type of signal would represent a "smoking gun" for dark matter, since no other known astrophysical process should be able to produce it. In these proceedings we give an overview of the different approaches to a search for dark matter lines that the Fermi-LAT collaboration is pursuing and the various challenges involved.

Place, publisher, year, edition, pages
2008.
Series
Proceedings of Science, ISSN 1824-8039
Keyword [en]
Dark matter, Dark matter particles, Energy spectra, Spectral line, The standard model, Weakly interacting massive particles, Gamma rays, Spectroscopy, Galaxies
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-152197Scopus ID: 2-s2.0-84882402492OAI: oai:DiVA.org:kth-152197DiVA: diva2:750566
Conference
Identification of Dark Matter 2008, IDM 2008, 18-22 August 2008, Stockholm, Sweden
Note

QC 20140929

Available from: 2014-09-29 Created: 2014-09-23 Last updated: 2014-09-29Bibliographically approved

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