# Measurement of the ZZ production cross section and search for anomalous couplings in 2l2l' final states in pp collisions at sqrt(s)=7 TeV

Abstract : A measurement is presented of the ZZ production cross section in the ZZ to 2l 2l' decay mode with l = e, mu and l' = e, mu, tau 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 inverse femtobarns. The measured cross section sigma(pp to ZZ) = 6.24 [+0.86/-0.80] (stat.) [+0.41/-0.32] (syst.) +/- 0.14 (lumi.) pb is consistent with the standard model predictions. The following limits on ZZZ and ZZ gamma anomalous trilinear gauge couplings are set at 95% confidence level: -0.011 f[4;Z] < 0.012, -0.012 < f[5;Z] < 0.012, -0.013 < f[4;gamma] < 0.015, and -0.014 < f[5,gamma] < 0.014.
Document type :
Journal articles
Journal of High Energy Physics, Institute of Physics (IOP), 2013, pp.063. <10.1007/JHEP01(2013)063>
Domain :

http://hal.in2p3.fr/in2p3-00755791
Contributor : Sylvie Florès <>
Submitted on : Thursday, November 22, 2012 - 7:35:42 AM
Last modification on : Wednesday, June 26, 2013 - 2:27:39 PM

### Citation

S. Chatrchyan, M. Besançon, S. Choudhury, M. Dejardin, D. Denegri, et al.. Measurement of the ZZ production cross section and search for anomalous couplings in 2l2l' final states in pp collisions at sqrt(s)=7 TeV. Journal of High Energy Physics, Institute of Physics (IOP), 2013, pp.063. <10.1007/JHEP01(2013)063>. <in2p3-00755791>

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