
CERN-LHC. This Letter presents a search for a heavy neutral particle decaying into an opposite-sign different-flavor dilepton pair, $e^\pm \mu^\mp$, $e^\pm \tau^\mp$, or $\mu^\pm \tau^\mp$ using 20.3 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 8$ TeV collected by the ATLAS detector at the LHC. The numbers of observed candidate events are compatible with the Standard Model expectations. Limits are set on the cross section of new phenomena in two scenarios: the production of $\tilde{\nu}_{\tau}$ in $R$-parity-violating supersymmetric models and the production of a lepton-flavor-violating $Z'$ vector boson.
Expected cross section times branching ratio as a function of Z' mass in the $e\mu$ channel for the arbitrary choice of couplings $Q_{ll^{'}}=1$.
Inclusive, 8000.0, Proton-Proton Scattering, Electron production, Integrated Cross Section, P P --> ZPRIME < E MU> X, Cross Section, SIG, Muon production
Inclusive, 8000.0, Proton-Proton Scattering, Electron production, Integrated Cross Section, P P --> ZPRIME < E MU> X, Cross Section, SIG, Muon production
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