Search for high-mass dilepton resonances in 6.1/fb of pp collisions at sqrt(s)= 8 TeV with the ATLAS experiment

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Abstract

The ATLAS detector is used to search for heavy neutral gauge bosons (Z′) decaying to an electron-positron pair or a muon-antimuon pair. Results are presented based on the analysis of pp collisions at a center-of-mass energy of 8 TeV corresponding to an integrated luminosity of approximately 5.9 (e+e-) / 6.1 (mu+mu-) fb^-1. A Z′ with standard model Z couplings to fermions is excluded at 95% CL for masses below 2.39 TeV in the electron channel, 2.19 TeV in the muon channel, and 2.49 TeV in the two channels combined. The result is also interpreted in a Grand Unification model based on the E6 gauge group.
ATLAS-CONF-2012-129
Original languageEnglish
Title of host publication32th International Symposium on Physics in Collision
Place of PublicationGeneva
PublisherCERN
Number of pages12
StatePublished - 13 Sep 2012

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