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Searches for Top-associated Dark Matter Production at the LHC

by Dominic Stafford, on behalf of the ATLAS and CMS collaborations

Submission summary

Authors (as registered SciPost users): Dominic Stafford
Submission information
Preprint Link: scipost_202507_00046v2  (pdf)
Date submitted: Dec. 2, 2025, 3:35 p.m.
Submitted by: Dominic Stafford
Submitted to: SciPost Physics Proceedings
Proceedings issue: The 17th International Workshop on Top Quark Physics (TOP2024)
Ontological classification
Academic field: Physics
Specialties:
  • High-Energy Physics - Experiment
Approach: Experimental

Abstract

Recent searches for dark matter (DM) produced in association with top quarks from the ATLAS and CMS experiments using data collected between 2015 and 2018 are presented. These comprise searches from both experiments for DM in association with a single top quark; an improved ATLAS search for DM in single lepton tt̄ final states; an ATLAS search for stop squarks decaying to a top quark, a charm quark and neutralinos; and a CMS search for DM produced in association with a pair of top quarks or a single top. These analyses feature novel machine learning and advanced background estimation techniques. No statistically significant excess is observed in any of these searches.

List of changes

Significantly cut all sections; removed table of contents, significant parts of introduction, ATLAS single top reinterpretations, CMS ttbar in BSM phase space measurements and comparisons with non-LHC DM results, and many minor changes/removals.
Current status:
Voting in preparation

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