Search for high-mass resonances decaying into -lepton pairs in pp collisions at
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A search for high-mass resonances decaying into + - is performed using a data sample of pp collisions at s=7TeV. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 4.9 fb -1. The number of observed events is in agreement with the standard model prediction. An upper limit on the product of the resonance cross section and branching fraction into -lepton pairs is calculated as a function of the resonance mass. Using the sequential standard model resonance ZSSM' and the superstring-inspired E 6 model with resonance Z' as benchmarks, resonances with standard model couplings with masses below 1.4 and 1.1 TeV, respectively, are excluded at 95% confidence level. 2012 CERN.
author list (cited authors)
Chatrchyan, S., Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., ... Swanson, J.