Constraining Extended Scalar Sectors at the LHC and beyond
Agnieszka Ilnicka, Tania Robens, Tim Stefaniak
TL;DR
This paper reviews extended scalar sector theories beyond the Standard Model, analyzing how recent LHC data constrains their parameter spaces and highlighting the importance of collider and dark matter measurements.
Contribution
It provides a comparative analysis of the impact of recent experimental results on two specific extended scalar models, emphasizing the role of LHC measurements.
Findings
LHC direct searches limit scalar sector parameters
Precise Higgs measurements constrain model extensions
Electroweak and dark matter data complement collider results
Abstract
We give a brief overview of beyond the Standard Model (BSM) theories with an extended scalar sector and their phenomenological status in the light of recent experimental results. We discuss the relevant theoretical and experimental constraints, and show their impact on the allowed parameter space of two specific models: the real scalar singlet extension of the Standard Model (SM) and the Inert Doublet Model. We emphasize the importance of the LHC measurements, both the direct searches for additional scalar bosons, as well as the precise measurements of properties of the Higgs boson of mass 125 GeV. We show the complementarity of these measurements to electroweak and dark matter observables.
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