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Search for the Decay of the Higgs Boson to Charm Quarks with the ATLAS Experiment
Univ Mohamed Premier, Fac Sci, Oujda, Morocco;LPTPM, Oujda, Morocco.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.ORCID iD: 0000-0002-1253-8583
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics. Georg August Univ, Phys Inst 2, Gottingen, Germany.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
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Number of Authors: 28532018 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 120, no 21, article id 211802Article in journal (Refereed) Published
Abstract [en]

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 -> l(+)l(-) cc is studied. A data set with an integrated luminosity of 36.1 fb(-1) of pp collisions at root s = 13TeV recorded by the ATLAS experiment at the LHC is used. The H -> cc signature is identified using charm-tagging algorithms. The observed (expected) upper limit on sigma(pp -> ZH) x B(H -> cc) is 2.7 (3.9(-2.1)(+2.1) ) pb at the 95% confidence level for a Higgs boson mass of 125 GeV, while the standard model value is 26 fb.

Place, publisher, year, edition, pages
2018. Vol. 120, no 21, article id 211802
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-357570DOI: 10.1103/PhysRevLett.120.211802ISI: 000433039600006OAI: oai:DiVA.org:uu-357570DiVA, id: diva2:1239674
Funder
Swedish Research CouncilEU, European Research CouncilEU, Horizon 2020
Note

For complete list of authors see http://dx.doi.org/10.1103/PhysRevLett.120.211802

Available from: 2018-08-17 Created: 2018-08-17 Last updated: 2018-08-17Bibliographically approved

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Bergeås Kuutmann, ElinBokan, PetarBrenner, RichardEkelöf, TordEllert, MattiasFerrari, ArnaudGradin, P. O. JoakimIsacson, Max F.Mårtensson, Mikael U.F.Öhman, HenrikSales De Bruin, Pedro
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