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

Several extensions of the Standard Model predict production dark matter particles at LHC. An uncharted signature produced in association with VV=W±W∓ or ZZ pairs from a decay Higgs boson s is searched for using 139 fb−1 pp collisions recorded by ATLAS detector center-of-mass energy 13 TeV. The s→V(qq¯)V(qq¯) decays are reconstructed novel technique aimed resolving dense topology boosted VV jets calorimeter and tracking information. Dark scenarios ms>160 GeV excluded.Received 15 October 2020Accepted 19 January 2021DOI:https://doi.org/10.1103/PhysRevLett.126.121802Published American Physical Society under terms Creative Commons Attribution 4.0 International license. Further distribution this work must maintain attribution to author(s) published article’s title, journal citation, DOI. Funded SCOAP3.© 2021 CERN, CollaborationPhysics Subject Headings (PhySH)Research AreasExtensions sectorParticle matterTechniquesHadron collidersParticles & Fields