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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..
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0001-6945-1916
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0003-3867-0336
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8015-7512
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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
AMER PHYSICAL SOC , 2018. Vol. 120, no 21, article id 211802
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Subatomic Physics
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URN: urn:nbn:se:kth:diva-230762DOI: 10.1103/PhysRevLett.120.211802ISI: 000433039600006PubMedID: 29883151Scopus ID: 2-s2.0-85048101813OAI: oai:DiVA.org:kth-230762DiVA, id: diva2:1219253
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QC 20180615

Available from: 2018-06-15 Created: 2018-06-15 Last updated: 2018-06-19Bibliographically approved

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Kastanas, Konstatinos A.Lund-Jensen, BengtOhm, ChristianRipellino, GiuliaSidebo, P. EdvinStrandberg, Jonas

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