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A search is presented for a Higgs-like boson with mass in the range 45 to 195 GeV/c2 decaying into a muon and a tau lepton. The dataset consists of proton-proton interactions at a centre-of-mass energy of 8 TeV , collected by the LHCb experiment, corresponding to an integrated luminosity of 2 fb-1 . The tau leptons are reconstructed in both leptonic and hadronic decay channels. An upper limit on the production cross-section multiplied by the branching fraction at 95% confidence level is set and ranges from 22 pb for a boson mass of 45 GeV/c2 to 4 pb for a mass of 195 GeV/c2 .

Original publication

DOI

10.1140/epjc/s10052-018-6386-8

Type

Journal

The European physical journal. C, Particles and fields

Publication Date

01/2018

Volume

78

Addresses

27Nikhef National Institute for Subatomic Physics, Amsterdam, The Netherlands.