Thermal WIMPs and the scale of new physics: global fits of Dirac dark matter effective field theories
Authors
Athron, Peter
Kozar, Neal Avis
Balázs, Csaba
Bloor, Sanjay
Bringmann, Torsten
Brod, Joachim
Chang, Christopher
Cornell, Jonathan M.
Farmer, Ben
Fowlie, Andrew
Gonzalo, Tomás E.
Handley, Will
Kahlhoefer, Felix
Kvellestad, Anders
Mahmoudi, Farvah
Prim, Markus T.
Raklev, Are
Renk, Janina J.
Scaffidi, Andre
Scott, Pat
Stöcker, Patrick
Vincent, Aaron C.
White, Martin
Wild, Sebastian
Zupan, Jure
Publication Date
2021-11-11Journal Title
The European Physical Journal C
ISSN
1434-6044
Publisher
Springer Berlin Heidelberg
Volume
81
Issue
11
Language
en
Type
Article
This Version
VoR
Metadata
Show full item recordCitation
Athron, P., Kozar, N. A., Balázs, C., Beniwal, A., Bloor, S., Bringmann, T., Brod, J., et al. (2021). Thermal WIMPs and the scale of new physics: global fits of Dirac dark matter effective field theories. The European Physical Journal C, 81 (11) https://doi.org/10.1140/epjc/s10052-021-09712-6
Abstract
Abstract: We assess the status of a wide class of WIMP dark matter (DM) models in light of the latest experimental results using the global fitting framework GAMBIT. We perform a global analysis of effective field theory (EFT) operators describing the interactions between a gauge-singlet Dirac fermion and the Standard Model quarks, the gluons and the photon. In this bottom-up approach, we simultaneously vary the coefficients of 14 such operators up to dimension 7, along with the DM mass, the scale of new physics and several nuisance parameters. Our likelihood functions include the latest data from Planck, direct and indirect detection experiments, and the LHC. For DM masses below 100 GeV, we find that it is impossible to satisfy all constraints simultaneously while maintaining EFT validity at LHC energies. For new physics scales around 1 TeV, our results are influenced by several small excesses in the LHC data and depend on the prescription that we adopt to ensure EFT validity. Furthermore, we find large regions of viable parameter space where the EFT is valid and the relic density can be reproduced, implying that WIMPs can still account for the DM of the universe while being consistent with the latest data.
Keywords
Regular Article - Theoretical Physics
Identifiers
s10052-021-09712-6, 9712
External DOI: https://doi.org/10.1140/epjc/s10052-021-09712-6
This record's URL: https://www.repository.cam.ac.uk/handle/1810/330782
Rights
Licence:
http://creativecommons.org/licenses/by/4.0/
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