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Observation of Z decays to four leptons with the CMS detector at the LHC

The CMS collaboration
JHEP 1212 (2012) 034, 2012

Abstract (data abstract)
CERN-LHC. A measurement is presented of the Z cross section in the Z-> 4l decay mode with l = e, mu in proton-proton collisions at sqrt(s) = 7 TeV with the CMS experiment at the LHC. Results are based on data corresponding to an integrated luminosity of 5.0 fb-1. The measured cross section is consistent with the standard model prediction of 120 fb.

  • Table 1

    Data from P 6


    The measured branching fraction Z->4l.

  • Table 2

    Data from P 6


    The measured Z->4l cross section times branching fraction. The (sys) error is the total systematic error, luminosity uncertainty is separated.

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