Constraining dark photon model with dark matter from CMB spectral distortions
High Energy Physics - Phenomenology
2017-05-24 v3 Cosmology and Nongalactic Astrophysics
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.
Cite
@article{arxiv.1701.01221,
title = {Constraining dark photon model with dark matter from CMB spectral distortions},
author = {Ki-Young Choi and Kenji Kadota and Inwoo Park},
journal= {arXiv preprint arXiv:1701.01221},
year = {2017}
}
Comments
6 pages, 8 figures