Universal properties of pseudoscalar mediators in dark matter extensions of 2HDMs

We discuss universal signals of consistent models of pseudoscalar mediators for collider searches for Dark Matter. Keeping only the degrees of freedom that can not be decoupled due to consistency conditions, we present a universality class of simplified models with pseudoscalar mediators and renorma...

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Bibliographic Details
Main Authors: Bauer, Martin (Author) , Klassen, Martin (Author) , Tenorth, Valentin (Author)
Format: Article (Journal)
Language:English
Published: 16 July 2018
In: Journal of high energy physics
Year: 2018, Issue: 7
ISSN:1029-8479
DOI:10.1007/JHEP07(2018)107
Online Access:Verlag, Volltext: https://doi.org/10.1007/JHEP07(2018)107
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Author Notes:Martin Bauer, Martin Klassen and Valentin Tenorth
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Summary:We discuss universal signals of consistent models of pseudoscalar mediators for collider searches for Dark Matter. Keeping only the degrees of freedom that can not be decoupled due to consistency conditions, we present a universality class of simplified models with pseudoscalar mediators and renormalizable couplings to Standard Model fields. We compute stability and perturbativity constraints, constraints from electroweak precision measurements, collider searches for new heavy particles as well as constraints from relic density measurements and indirect detection experiments searching for signals of Dark Matter annihilation into photons. We find that the mono-Z final state is the strongest, universal signal of this class of models, with additional signatures present in the different ultraviolet completions that can be used to distinguish between them.
Item Description:Gesehen am 05.03.2020
Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP07(2018)107