Search for dark matter produced in association with a dark Higgs boson decaying into ±W  or ZZ in fully hadronic final states from √s=13 TeV pp collisions recorded with the ATLAS detector

ATLAS Collaboration, G. Aad, Paul Newman

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Abstract

Several extensions of the Standard Model predict the production of dark matter particlesat the LHC. An uncharted signature of dark matter particles produced in association with ±W  or ZZ pairs from a decay of a dark Higgs boson s is searched for using 139 fb−1of pp collisions recorded by the ATLAS detector at a center-of-mass energy of 13 TeV. The sV(qq̅)V(qq̅) 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
Article number121802
JournalPhysical Review Letters
Volume126
DOIs
Publication statusPublished - 26 Mar 2021

Bibliographical note

32 pages in total, author list starting page 16, 4 figures, 1 table, submitted to Physical Review Letters. All figures including auxiliary figures available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/EXOT-2018-40/.

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