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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

S. Chatrchyan 1 M. Besançon 2 S. Choudhury 2 F. Couderc 2 M. Dejardin 2 D. Denegri 2 B. Fabbro 2 J.L. Faure 2 F. Ferri 2 S. Ganjour 2 A. Givernaud 2 P. Gras 2 G. Hamel de Monchenault 2 P. Jarry 2 E. Locci 2 J. Malcles 2 L. Millischer 2 A. Nayak 2 J. Rander 2 A. Rosowsky 2 M. Titov 2 S. Baffioni 3 F. Beaudette 3 L. Benhabib 3 L. Bianchini 3 M. Bluj 3 Pierre Busson 3 C. Charlot 3 N. Daci 3 T. Dahms 3 M. Dalchenko 3 L. Dobrzynski 3 A. Florent 3 R. Granier de Cassagnac 3 M. Haguenauer 3 P. Mine 3 C. Mironov 3 I.N. Naranjo 3 M. Nguyen 3 C. Ochando 3 P. Paganini 3 D. Sabes 3 R. Salerno 3 Y. Sirois 3 C. Veelken 3 A. Zabi 3 J.-L. Agram 4 J. Andrea 4 D. Bloch 4 D. Bodin 4 J.-M. Brom 4 E.C. Chabert 4 C. Collard 4 E. Conte 4 F. Drouhin 4 J.-C. Fontaine 4 D. Gele 4 U. Goerlach 4 C. Goetzmann 4 P. Juillot 4 A.-C. Le Bihan 4 P. van Hove 4 S. Gadrat 5 S. Beauceron 6 N. Beaupere 6 G. Boudoul 6 S. Brochet 6 J. Chasserat 6 R. Chierici 6 D. Contardo 6 P. Depasse 6 H. El Mamouni 6 J. Fay 6 S. Gascon 6 M. Gouzevitch 6 B. Ille 6 T. Kurca 6 M. Lethuillier 6 L. Mirabito 6 S. Perries 6 L. Sgandurra 6 V. Sordini 6 Y. Tschudi 6 M. Vander Donckt 6 P. Verdier 6 S. Viret 6 
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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Submitted on : Thursday, June 6, 2013 - 7:30:19 AM
Last modification on : Monday, March 28, 2022 - 9:39:17 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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