Effects of Dark Matter Annihilation on the Cosmic Microwave Background(Astrophysics and Cosmology)
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概要
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We study the effects of dark matter annihilation during and after the cosmic recombination epoch on the cosmic microwave background anisotropy, taking into account the detailed energy deposition of the annihilation products. It is found that a fairly stringent constraint on the annihilation cross section is imposed for TeV scale dark matter masses from WMAP observations.
- 2010-05-25
著者
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KANZAKI Toru
Institute for Cosmic Ray Research, University of Tokyo
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KAWASAKI Masahiro
Institute for Cosmic Ray Research, University of Tokyo
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NAKAYAMA Kazunori
Institute for Cosmic Ray Research, University of Tokyo
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Kanzaki Toru
Institute For Cosmic Ray Research University Of Tokyo
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Nakayama Kazunori
Institute For Cosmic Ray Research University Of Tokyo
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Kawasaki Masahiro
Institute For Cosmic Ray Research University Of Tokyo:institute For The Physics And Mathematics Of T
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Kawasaki Masahiro
Institute For Cosmic Ray Research University Of Tokyo
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Kawasaki Masahiro
Institute For Cosmic Ray Research The University Of Tokyo
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KAWASAKI Masahiro
Institute for Cosmic Ray Research, The University of Tokyo
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