Search for new phenomena in different-flavour high-mass dilepton final states in pp collisions at √s=13 Tev with the ATLAS detector

Mullier, Geoffrey; Haug, Sigve; Weber, Michael; Meloni, Federico; Cervelli, Alberto; Beck, Hans Peter; Stucci, Stefania; Ereditato, Antonio (2016). Search for new phenomena in different-flavour high-mass dilepton final states in pp collisions at √s=13 Tev with the ATLAS detector. European physical journal. C - particles and fields, 76(10) EDP Sciences 10.1140/epjc/s10052-016-4385-1

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A search is performed for a heavy particle decaying into different flavour dilepton pairs (eμ , eτ or μτ), using 3.2 fb⁻¹ of proton-proton collision data at √s=13 TeV collected in 2015 by the ATLAS detector at the Large Hadron Collider. No excess over the Standard Model prediction is observed. Limits at the 95% credibility level are set on the mass of a Z′ boson with lepton-flavour-violating couplings at 3.0, 2.7 and 2.6 TeV, and on the mass of a supersymmetric τ sneutrino with R-parity-violating couplings at 2.3, 2.2 and 1.9 TeV, for eμ , eτ and μτ final states, respectively. The results are also interpreted as limits on the threshold mass for quantum black hole production.

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