Higgs Boson-Induced Reheating and Dark Matter Production

Ahmed, Aqeel; Grzadkowski, Bohdan; Socha, Anna

doi:10.3390/sym14020306

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Higgs Boson-Induced Reheating and Dark Matter Production

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Ahmed, Aqeel
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Ahmed, A., Grzadkowski, B., & Socha, A. (2022). Higgs Boson-Induced Reheating and Dark Matter Production. Symmetry (Basel), 14(2): 306. doi:10.3390/sym14020306.

Cite as: https://hdl.handle.net/21.11116/0000-000A-DC0A-4

Abstract

We discuss a perturbative and non-instantaneous reheating model, adopting a generic post-inflationary scenario with an equation of state w. In particular, we explore the Higgs boson-induced reheating, assuming that it is achieved through a cubic inflaton-Higgs coupling phi|H|(2). In the presence of such coupling, the Higgs doublet acquires a phi-dependent mass and a non-trivial vacuum-expectation-value that oscillates in time and breaks the Standard Model gauge symmetry. Furthermore, we demonstrate that the non-standard cosmologies and the inflaton-induced mass of the Higgs field modify the radiation production during the reheating period.This, in turn, affects the evolution of a thermal bath temperature, which has remarkable consequences for the ultraviolet freeze-in dark matter production.