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순수물리이론 연구단
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Constraining dark photon model with dark matter from CMB spectral distortions

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Title
Constraining dark photon model with dark matter from CMB spectral distortions
Author(s)
Ki-Young Choi; Kenji Kadota; Inwoo Park
Publication Date
2017-08
Journal
PHYSICS LETTERS B, v.771, no., pp.162 - 167
Publisher
ELSEVIER SCIENCE BV
Abstract
Many extensions of Standard Model (SM) include a dark sector which can interact with the SM sector via a light mediator. We explore the possibilities to probe such a dark sector by studying the distortion of the CMB spectrum from the blackbody shape due to the elastic scatterings between the dark matter and baryons through a hidden light mediator. We in particular focus on the model where the dark sector gauge boson kinetically mixes with the SM and present the future experimental prospect for a PIXIE-like experiment along with its comparison to the existing bounds from complementary terrestrial experiments. © 2017 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3
URI
http://pr.ibs.re.kr/handle/8788114/4112
DOI
10.1016/j.physletb.2017.04.062
ISSN
0370-2693
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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