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Global fits of simplified models for dark matter with GAMBIT – II. Vector dark matter with an s-channel vector mediator

Chang, Christopher; Scott, Pat; Gonzalo, Tomás E. 1; Kahlhoefer, Felix 1; White, Martin
1 Institut für Theoretische Teilchenphysik (TTP), Karlsruher Institut für Technologie (KIT)

Abstract:

Global fits explore different parameter regions of a given model and apply constraints obtained at many energy scales. This makes it challenging to perform global fits of simplified models, which may not be valid at high energies. In this study, we derive a unitarity bound for a simplified vector dark matter model with an s-channel vector mediator and apply it to global fits of this model with GAMBIT in order to correctly interpret missing energy searches at the LHC. Two parameter space regions emerge as consistent with all experimental constraints, corresponding to different annihilation modes of the dark matter. We show that although these models are subject to strong validity constraints, they are currently most strongly constrained by measurements less sensitive to the high-energy behaviour of the theory. Understanding when these models cannot be consistently studied will become increasingly relevant as they are applied to LHC Run 3 data.


Verlagsausgabe §
DOI: 10.5445/IR/1000161229
Veröffentlicht am 08.08.2023
Originalveröffentlichung
DOI: 10.1140/epjc/s10052-023-11859-3
Scopus
Zitationen: 1
Web of Science
Zitationen: 2
Dimensions
Zitationen: 2
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Theoretische Teilchenphysik (TTP)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2023
Sprache Englisch
Identifikator ISSN: 1434-6052
KITopen-ID: 1000161229
Erschienen in The European Physical Journal C
Verlag Springer-Verlag
Band 83
Heft 8
Seiten Art.-Nr.: 692
Bemerkung zur Veröffentlichung Gefördert durch SCOAP3
Vorab online veröffentlicht am 04.08.2023
Nachgewiesen in Scopus
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