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



Aad, G, Abbott, B, Abbott, DC, Abud, A Abed, Abeling, K, Abhayasinghe, DK, Abidi, SH, AbouZeid, OS, Abraham, NL, Abramowicz, H
et al (show 2917 more authors) (2021) Search for Dark Matter Produced in Association with a Dark Higgs Boson Decaying into <i>W</i><SUP>±</SUP><i>W</i><SUP>∓</SUP> or <i>ZZ</i> in Fully Hadronic Final States from √<i>s</i>=13 TeV <i>pp</i> Collisions Recorded with the ATLAS Detector. PHYSICAL REVIEW LETTERS, 126 (12). 121802-.

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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^{±}W^{∓} 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[over ¯])V(qq[over ¯]) 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 m_{s}>160  GeV are excluded.

Item Type: Article
Additional Information: 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/
Uncontrolled Keywords: ATLAS Collaboration
Divisions: Faculty of Science and Engineering > School of Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 19 Apr 2021 08:03
Last Modified: 05 Oct 2023 11:48
DOI: 10.1103/PhysRevLett.126.121802
Open Access URL: https://journals.aps.org/prl/abstract/10.1103/Phys...
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3119688