The Higgs portal to cosmology

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http://hdl.handle.net/10138/333438

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Lebedev , O 2021 , ' The Higgs portal to cosmology ' , Progress in Particle and Nuclear Physics , vol. 120 , 103881 . https://doi.org/10.1016/j.ppnp.2021.103881

Title: The Higgs portal to cosmology
Author: Lebedev, Oleg
Contributor: University of Helsinki, Department of Physics
Date: 2021-09
Language: eng
Number of pages: 79
Belongs to series: Progress in Particle and Nuclear Physics
ISSN: 0146-6410
URI: http://hdl.handle.net/10138/333438
Abstract: The discovery of the Higgs boson has opened a new avenue for exploring physics beyond the Standard Model. In this review, we discuss cosmological aspects of the simplest Higgs couplings to the hidden sector, known as the Higgs portal. We focus on implications of such couplings for inflation, vacuum stability and dark matter, with the latter including both the traditional weakly interacting massive particles as well as feebly interacting scalars. The cosmological impact of the Higgs portal can be important even for tiny values of the couplings. (C) 2021 The Author. Published by Elsevier B.V.
Subject: 114 Physical sciences
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