Z′-mediated Majorana dark matter: suppressed direct-detection rate and complementarity of LHC searches

Alanne, T.; Fiaschi, J.; Moldanazarova, U.; Fischer, O.; Gorbahn, M.; Bishara, F.

doi:10.1007/JHEP08(2022)093

Journal Article

PUBDB-2022-06624

Z′-mediated Majorana dark matter: suppressed direct-detection rate and complementarity of LHC searches

Alanne, T. ; Bishara, F.DESY* ; Fiaschi, J. (Corresponding author) ; Fischer, O. ; Gorbahn, M. ; Moldanazarova, U.

2022
SISSA [Trieste]

Journal of high energy physics 08(8), 093 (2022) [10.1007/JHEP08(2022)093]

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Please use a persistent id in citations: doi:10.1007/JHEP08(2022)093 doi:10.3204/PUBDB-2022-06624

Report No.: DESY-22-022; LTH 1298; arXiv:2202.02292

Abstract: We study the direct-detection rate for axial-vectorial dark matter scattering off nuclei in an SU(2) × U(1) invariant effective theory and compare it against the LHC reach. Current constraints from direct detection experiments are already bounding the mediator mass to be well into the TeV range for WIMP-like scenarios. This motivates a consistent and systematic exploration of the parameter space to map out possible regions where the rates could be suppressed. We do indeed find such regions and proceed to construct consistent UV models that generate the relevant effective theory. We then discuss the corresponding constraints from both collider and direct-detection experiments on the same parameter space. We find a benchmark scenario, where even for future XENONnT experiment, LHC constraints will have a greater sensitivity to the mediator mass.

Keyword(s): current: constraint ; dark matter: scattering ; dark matter: direct detection ; interpretation of experiments: CERN LHC Coll ; mediation ; dark matter: relic density ; suppression ; sensitivity ; benchmark ; nucleus ; TeV ; Majorana ; Dark Matter at Colliders ; Models for Dark Matter ; New Gauge Interactions ; SMEFT

Classification:

ddc:530

Note: JHEP 08 (2022) 093. 21 pages, 5 figures

Contributing Institute(s):

Theorie-Gruppe (T)

Research Program(s):

Experiment(s):

No specific instrument

Appears in the scientific report 2022

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