Search for lepton-flavour-violating H → μτ decays of the Higgs boson with the ATLAS detector
MetadataShow full item record
CitationAad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M. ... ATLAS Collaboration. (2015). Search for lepton-flavour-violating H → μτ decays of the Higgs boson with the ATLAS detector. Journal of High Energy Physics, 2015(11), 1-33. http://dx.doi.org/10.1007/JHEP11(2015)211
A direct search for lepton-flavour-violating H → μτ decays of the recently discovered Higgs boson with the ATLAS detector at the LHC is presented. The analysis is performed in the H → μτhad channel, where τhad is a hadronically decaying τ -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 TeV. 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 → μτ ), is 1.85% (1.24%).