• Open Access

Search for the Decay of the Higgs Boson to Charm Quarks with the ATLAS Experiment

M. Aaboud et al. (ATLAS Collaboration)
Phys. Rev. Lett. 120, 211802 – Published 22 May 2018

Abstract

A direct search for the standard model Higgs boson decaying to a pair of charm quarks is presented. Associated production of the Higgs and Z bosons, in the decay mode ZH+cc¯ is studied. A data set with an integrated luminosity of 36.1fb1 of pp collisions at s=13TeV recorded by the ATLAS experiment at the LHC is used. The Hcc¯ signature is identified using charm-tagging algorithms. The observed (expected) upper limit on σ(ppZH)×B(Hcc¯) is 2.7 (3.91.1+2.1) pb at the 95% confidence level for a Higgs boson mass of 125 GeV, while the standard model value is 26 fb.

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  • Received 14 February 2018

DOI:https://doi.org/10.1103/PhysRevLett.120.211802

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

© 2018 CERN, for the ATLAS Collaboration

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Vol. 120, Iss. 21 — 25 May 2018

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