Shining light into the Higgs portal with [Formula omitted] colliders

High-energy [Formula omitted] colliders constitute a potential running mode of future lepton colliders such as the ILC and CLIC. We study the sensitivity of a high-energy [Formula omitted] collider to the Higgs portal scenario to a hidden sector above the invisible Higgs decay threshold. We show tha...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2022-02, Vol.82 (2)
Main Authors: Garcia-Abenza, A, No, J. M
Format: Article
Language:English
Online Access:Get full text
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Summary:High-energy [Formula omitted] colliders constitute a potential running mode of future lepton colliders such as the ILC and CLIC. We study the sensitivity of a high-energy [Formula omitted] collider to the Higgs portal scenario to a hidden sector above the invisible Higgs decay threshold. We show that such [Formula omitted] collisions could allow to probe the existence of dark sectors through the Higgs portal with precision competitive with other planned collider facilities, profiting from the unique combination of sizable cross-section with clean final state and collider environment. In addition, this search could cover the singlet Higgs portal parameter space yielding a first-order electroweak phase transition in the early Universe.
ISSN:1434-6044
DOI:10.1140/epjc/s10052-022-10089-3