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A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector

Aaboud, M; Aad, G; Abbott, B; Abdinov, O; Abeloos, B; Abhayasinghe, DK; Abidi, SH; ... Zwalinski, L; + view all (2021) A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector. Physics Letters B , 812 (135980) 10.1016/j.physletb.2020.135980. Green open access

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Abstract

A search for the dimuon decay of the Standard Model (SM) Higgs boson is performed using data corresponding to an integrated luminosity of collected with the ATLAS detector in Run 2 pp collisions at TeV at the Large Hadron Collider. The observed (expected) significance over the background-only hypothesis for a Higgs boson with a mass of 125.09 GeV is 2.0σ (1.7σ). The observed upper limit on the cross section times branching ratio for is 2.2 times the SM prediction at 95% confidence level, while the expected limit on a signal assuming the absence (presence) of a SM signal is 1.1 (2.0). The best-fit value of the signal strength parameter, defined as the ratio of the observed signal yield to the one expected in the SM, is .

Type: Article
Title: A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.physletb.2020.135980
Publisher version: https://doi.org/10.1016/j.physletb.2020.135980
Language: English
Additional information: Copyright © 2020 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/10120154
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