PoS - Proceedings of Science
Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Poster Session
Searching for Dark Matter in top quark production with the CMS experiment
D. Stafford*  on behalf of the CMS Collaboration
Full text: pdf
Pre-published on: November 29, 2022
Published on: June 15, 2023
A search for Dark Matter (DM) produced in association with a top quark pair using $137 \mathrm{fb}^{-1}$ of 13 TeV pp collision data collected with the CMS experiment at the Large Hadron Collider (LHC) is presented. No excess was observed, and limits were set on the nominal cross-section for scalar mediators up to 420 GeV, and pseudoscalar mediators up to 400 GeV. Further improvements for an in-progress analysis which also targets DM produced in association with a single top quark are also shown, including the use of neural networks to improve the sensitivity.
DOI: https://doi.org/10.22323/1.414.1122
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