Dark Matter Candidates: A Status Report
- Oskar Klein Centre for Cosmoparticle Physics, Department of Physics, Stockholm University, AlbaNova, SE-106 91 Stockholm (Sweden)
A brief review is given of various dark matter candidates. In particular, some of the most studied candidates like axions, inert Higgs doublet, sterile neutrinos, supersymmetric particles and Kaluza-Klein particles are discussed. In particular, indirect detection methods are reviewed, with gamma-ray detection being a particularly important method. The situation also for indirect detection through antimatter cosmic rays has recently become quite interesting with new results having dark matter as one of the possible explanations. Problems of this explanation and possible solutions are discussed, and the importance of new measurements is emphasized. If the explanation is indeed dark matter, some unusual and unexpected properties would be needed. One should always keep the possible 'conventional' astrophysical explanations, like electron and positron radiation from pulsars in mind. To get a conclusive case for dark matter, detection in other channels will likely be needed, such as direct detection or detection of angular and spectral signatures in gamma-rays.
- OSTI ID:
- 21410192
- Journal Information:
- AIP Conference Proceedings, Vol. 1241, Issue 1; Conference: Conference on invisible universe, Paris (France), 29 Jun - 3 Jul 2009; Other Information: DOI: 10.1063/1.3462677; (c) 2010 American Institute of Physics; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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GALAXY CLUSTERS
GAMMA DETECTION
GAMMA RADIATION
HIGGS BOSONS
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KALUZA-KLEIN THEORY
NEUTRINOS
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