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Compact Muon Solenoid
LHC, CERN
CMS-PAS-EXO-12-046
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Z' to tau tau - emu final state
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CMS Collaboration
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January 2015
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Abstract:
A search for new physics beyond the standard model in the high-mass ditau final state with one tau decaying in the electron channel and one tau decaying in the muon channel is performed using proton-proton collisions at √s = 8 TeV recorded by the CMS experiment at the LHC. The data correspond to an integrated luminosity of 19.7 fb−1. The data are in good agreement with the standard model prediction. An upper limit at 95% CL on the product of cross section times branching fraction into tau pairs is calculated as a function of the resonance mass for the Sequential Standard Model Z′ (Z′SSM masses excluded up to 1300 GeV) and for the GUT-inspired E6 model (Z′ψ masses excluded up to 810 GeV). The results are further interpreted in terms of the Arkani-Hamed, Dimopolous, and Dvali (ADD) model, setting an exclusion limit on the parameter ΛT up to 2800 GeV.
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Links:
CDS record (PDF) ;
inSPIRE record ;
Public twiki page ;
CADI line (restricted) ;
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Compact Muon Solenoid LHC, CERN
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