Search for Dark Matter Produced in Association with a Dark Higgs Boson Decaying into W±Wa" or ZZ in Fully Hadronic Final States from s =13 TeV pp Collisions Recorded with the ATLAS Detector

(ATLAS Collaboration)

Research output: Contribution to journalArticlepeer-review

Abstract

Several extensions of the Standard Model predict the production of dark matter particles at the LHC. An uncharted signature of dark matter particles produced in association with VV=W±Wa"or ZZ pairs from a decay of a dark Higgs boson s is searched for using 139 fb-1 of pp collisions recorded by the ATLAS detector at a center-of-mass energy of 13 TeV. The s→V(qq)V(qq) decays are reconstructed with a novel technique aimed at resolving the dense topology from boosted VV pairs using jets in the calorimeter and tracking information. Dark Higgs scenarios with ms>160 GeV are excluded.

Original languageEnglish (US)
Article number121802
JournalPhysical review letters
Volume126
Issue number12
DOIs
StatePublished - Mar 26 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2021 CERN.

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