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Toyokazu Sekiguchi
순수물리이론 연구단
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CMB constraint on dark matter annihilation after Planck 2015

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Title
CMB constraint on dark matter annihilation after Planck 2015
Author(s)
Kawasaki M.; Nakayama K.; Toyokazu Sekiguchi
Publication Date
2016-05
Journal
PHYSICS LETTERS B, v.756, no., pp.212 - 215
Publisher
ELSEVIER SCIENCE BV
Abstract
We update the constraint on the dark matter annihilation cross section by using the recent measurements of the CMB anisotropy by the Planck satellite. We fully calculate the cascade of dark matter annihilation products and their effects on ionization, heating and excitation of the hydrogen, hence do not rely on any assumption on the energy fractions that cause these effects. © 2016 The Authors
URI
http://pr.ibs.re.kr/handle/8788114/2467
DOI
10.1016/j.physletb.2016.03.005
ISSN
0370-2693
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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