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Dark matter and imaging air Cherenkov arrays
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
2013 (English)In: Astroparticle physics, ISSN 0927-6505, E-ISSN 1873-2852, Vol. 43, 44-49 p.Article in journal (Refereed) Published
Abstract [en]

The CIA will mean a significant increase of the potential for dark matter detection, compared to present-day detectors like MAGIC, HESS and VERITAS. In particular, if - as it might be indicated from early LHC results - the dark matter sector is heavy, perhaps in the TeV mass range, imaging air Cherenkov arrays have a good opportunity to detect gamma-rays from dark matter annihilation in the galactic halo, the galactic center, dwarf galaxies, or galaxy clusters. A review of the present situation is given and a few of the miracles that may enhance chances for detection in CTA are discussed, such as Sommerfeld enhancement and internal bremsstrahlung radiation. A few templates for dark matter are studied, and the importance of the acceptance of the detector at low energies is pointed out. Finally, the idea of a complement to CIA in the form of a high-altitude, low energy threshold dedicated dark matter array, DMA, is discussed.

Place, publisher, year, edition, pages
2013. Vol. 43, 44-49 p.
Keyword [en]
Dark matter, Indirect detection, Gamma-rays, Review
National Category
Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:su:diva-91443DOI: 10.1016/j.astropartphys.2012.04.010ISI: 000318126800004OAI: diva2:633739
Swedish Research Council, 621-2009-3915


Available from: 2013-06-27 Created: 2013-06-27 Last updated: 2013-06-27Bibliographically approved

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Bergström, Lars
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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