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Title

Search for lepton-flavour-violating decays of the Higgs and Z bosons with the ATLAS detector

CollaborationWith : Ancu, Lucian Stefan / Bilbao De Mendizabal, Javier / Calace, Noemi / Chatterjee, Avishek / Clark, Allan Geoffrey / Coccaro, Andrea / Delitzsch, Chris Malena / Della Volpe, Domenico / Ferrere, Didier / Gadomski, Szymon / Golling, Tobias / Gonzalez Sevilla, Sergio / Gramling, Johanna Léna / Guescini, Francesco / Iacobucci, Giuseppe / Katre, Akshay / March Ruiz, Luis / Mermod, Philippe / Miucci, Antonio / Nackenhorst, Olaf / Paolozzi, Lorenzo / Ristic, Branislav / Schramm, Steven / Sfyrla, Anna / Vallecorsa, Sofia / Wu, Xin
Published in European Physical Journal. C. 2017, vol. 77, no. 2, p. 70
Collection SCOAP3
Abstract 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→eτ , H→μτ , and Z→μτ . 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 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→eτ)<1.04% , Br (H→μτ)<1.43% , and Br (Z→μτ)<1.69×10-5 .
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ATLAS COLLABORATION. Search for lepton-flavour-violating decays of the Higgs and Z bosons with the ATLAS detector. In: European Physical Journal. C, 2017, vol. 77, n° 2, p. 70. https://archive-ouverte.unige.ch/unige:92240

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Deposited on : 2017-03-01

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