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Search for lepton-flavour-violating decays of the Higgs and Z bosons 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.
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2017 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 77, no 2, 70Article in journal (Refereed) Published
Abstract [en]

Direct searches for lepton flavour violation in decays of the Higgs and Z bosons with the ATLAS detector at the LHC are presented. The following three decays are considered: H -> e tau, H -> mu tau, and Z -> mu tau. The searches are based on the data sample of proton-proton collisions collected by the ATLAS detector corresponding to an integrated luminosity of 20.3 fb(-1) at a centre-of-mass energy of root s = 8 TeV. No significant excess is observed, and upper limits on the lepton-flavour-violating branching ratios are set at the 95% confidence level: Br(H -> e tau) < 1.04%, Br(H -> mu tau) < 1.43%, and Br(Z -> mu tau) < 1.69 x 10(-5).

Place, publisher, year, edition, pages
Springer, 2017. Vol. 77, no 2, 70
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Physical Sciences
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URN: urn:nbn:se:kth:diva-209017DOI: 10.1140/epjc/s10052-017-4624-0ISI: 000394224700002Scopus ID: 2-s2.0-85011968876OAI: oai:DiVA.org:kth-209017DiVA: diva2:1109670
Note

QC 20170614

Available from: 2017-06-14 Created: 2017-06-14 Last updated: 2017-06-14Bibliographically approved

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Lund-Jensen, BengtSidebo, EdvinStrandberg, Jonas
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