Asymmetric lepton-flavor violating Higgs decays

Abstract

We introduce a new method to search for the lepton-flavor violating Higgs decays $h\to \tau \mu$ and $h\to \tau e$ in the leptonic $\tau$ decay channel. In particular, the Standard Model background is estimated in a fully data driven way. The method exploits the asymmetry between electrons and muons in the final state of signal events and is sensitive to differences in the rates of the two decays. Using this method, we investigate the LHC sensitivity to these processes. With 20 ${\mathrm{fb}}^{-1}$ of data at $\sqrt{s}=8$ TeV, we expect a $3\sigma$ sensitivity for observing branching ratios of order $0.9\%$. The method and the suggested statistical treatment are discussed in detail.

10 pages, 5 figures

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Cited by in corpus (6)

• Imprints of massive inverse seesaw model neutrinos in lepton flavor violating Higgs boson decays
• Model building for flavor changing Higgs couplings
• Higgs boson decays with lepton flavor violation in the $B-L$ symmetric SSM
• Disentangling new physics contributions in lepton flavour violating tau decays
• Probing chirality structure in lepton-flavour-violating Higgs decay $h\to \tau \mu$ at the LHC
• Radiatively-induced LFV Higgs Decays from Massive ISS Neutrinos