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Search for lepton-flavour-violating H ? µt decays of the Higgs boson with the ATLAS detector

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posted on 2023-06-09, 01:46 authored by Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, Carlos Chavez Barajas, Antonella De SantoAntonella De Santo, Tina Potter, Fabrizio SalvatoreFabrizio Salvatore, Itzebelt Santoyo Castillo, Kerim Suruliz, Mark SuttonMark Sutton, Iacopo Vivarelli, et al The ATLAS Collaboration
A direct search for lepton-flavour-violating H ? µt decays of the recently discovered Higgs boson with the ATLAS detector at the LHC is presented. The analysis is performed in the H ? µt had channel, where t had is a hadronically decaying t -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 s v =8 s=8 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 ? µt ), is 1.85% (1.24%).

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Publication status

  • Published

File Version

  • Published version

Journal

Journal of High Energy Physics

ISSN

1029-8479

Publisher

Springer Verlag

Issue

211

Volume

11

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2016-06-20

First Open Access (FOA) Date

2016-06-20

First Compliant Deposit (FCD) Date

2016-06-20

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