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Measurement of the W$^+$W$^-$ cross section in pp collisions at $\sqrt{s}$ = 7 TeV and limits on anomalous WW$\gamma$ and WWZ couplings

Abstract : A measurement of W$^+$W$^-$ production in pp collisions at $\sqrt{s}$ = 7 TeV is presented. The data were collected with the CMS detector at the LHC, and correspond to an integrated luminosity of 4.92 +/- 0.11 fb$^{-1}$ inverse femtobarns. The W$^+$W$^-$ candidates consist of two oppositely charged leptons, electrons or muons, accompanied by large missing transverse energy. The W$^+$W$^-$ production cross section is measured to be 52.4 +/- 2.0 (stat.) +/- 4.5 (syst.) +/- 1.2 (lum.) pb. This measurement is consistent with the standard model prediction of 47.0 +/- 2.0 pb at next-to-leading order. Stringent limits on the WW$\gamma$ and WWZ anomalous triple gauge-boson couplings are set.
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http://hal.in2p3.fr/in2p3-00830891
Contributor : Sylvie Flores <>
Submitted on : Thursday, June 6, 2013 - 7:30:19 AM
Last modification on : Friday, June 5, 2020 - 10:52:06 AM

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S. Chatrchyan, M. Besançon, S. Choudhury, F. Couderc, M. Dejardin, et al.. Measurement of the W$^+$W$^-$ cross section in pp collisions at $\sqrt{s}$ = 7 TeV and limits on anomalous WW$\gamma$ and WWZ couplings. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2013, 73, pp.2610. ⟨10.1140/epjc/s10052-013-2610-8⟩. ⟨in2p3-00830891⟩

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