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Search for lepton-flavour-violating H -> mu tau decays of the Higgs boson with the ATLAS detector
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8913-0981
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Number of Authors: 2865
2015 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 11, 211Article in journal (Refereed) PublishedText
Abstract [en]

A direct search for lepton-flavour-violating H -> mu tau decays of the recently discovered Higgs boson with the ATLAS detector at the LHC is presented. The analysis is performed in the H -> mu tau(had) channel, where tau(had) is a hadronically decaying tau-lepton. The search is based on the data sample of proton-proton collisions collected by the ATLAS experiment corresponding to an integrated luminosity of 20.3 fb(-1) at a centre-of-mass energy of root s = 8TeV. No statistically significant excess of data over the predicted background is observed. The observed (expected) 95% confidence-level upper limit on the branching fraction, Br(H -> mu tau), is 1.85% (1.24%).

Place, publisher, year, edition, pages
Springer, 2015. no 11, 211
Keyword [en]
Hadron-Hadron Scattering, Beyond Standard Model, Higgs physics, Lepton production
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-180665DOI: 10.1007/JHEP11(2015)211ISI: 000366364100001ScopusID: 2-s2.0-84949660819OAI: oai:DiVA.org:kth-180665DiVA: diva2:895705
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QC 20160119

Available from: 2016-01-19 Created: 2016-01-19 Last updated: 2016-01-19Bibliographically approved

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Lund-Jensen, BengtSidebo, EdvinStrandberg, Jonas
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