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Forward-backward asymmetry of Drell-Yan lepton pairs in pp collisions at sqrt(s) = 8 TeV

V. Khachatryan M. Besançon 1 F. Couderc 1 M. Dejardin 1 D. Denegri 1 B. Fabbro 1 J.L. Faure 1 C. Favaro 1 F. Ferri S. Ganjour 1 A. Givernaud 1 P. Gras 1 G. Hamel De Monchenault 1 P. Jarry 1 E. Locci 1 M. Machet 1 J. Malcles 1 J. Rander 1 A. Rosowsky 1 M. Titov 1 A. Zghiche 1 I. Antropov 2 S. Baffioni 2 F. Beaudette 2 P. Busson 2 L. Cadamuro 2 E. Chapon 2 C. Charlot 2 T. Dahms 2 O. Davignon 2 N. Filipovic 2 A. Florent 2 R. Granier De Cassagnac 2 S. Lisniak 2 L. Mastrolorenzo 2 P. Mine 2 I.N. Naranjo 2 M. Nguyen 2 C. Ochando 2 G. Ortona 2 P. Paganini 2 P. Pigard 2 S. Regnard 2 R. Salerno 2 J.B. Sauvan 2 Y. Sirois 2 T. Strebler 2 Y. Yilmaz 2 A. Zabi 2 J.-L. Agram 3 J. Andrea 3 A. Aubin 3 D. Bloch 3 J.-M. Brom 3 M. Buttignol 3 E.C. Chabert 3 N. Chanon 3 C. Collard 3 E. Conte 3 X. Coubez 3 J.-C. Fontaine 3 D. Gele 3 U. Goerlach 3 C. Goetzmann 3 A.-C. Le Bihan 3 J.A. Merlin K. Skovpen 3 P. Van Hove 3 S. Gadrat 4 S. Beauceron 5 C. Bernet 5 G. Boudoul 5 E. Bouvier 5 C.A. Carrillo Montoya 5 R. Chierici 5 D. Contardo 5 B. Courbon 5 P. Depasse 5 H. El Mamouni 5 J. Fan 5 J. Fay 5 S. Gascon 5 M. Gouzevitch 5 B. Ille 5 F. Lagarde 5 I.B. Laktineh 5 M. Lethuillier 5 L. Mirabito 5 A.L. Pequegnot 5 S. Perries 5 J.D. Ruiz Alvarez D. Sabes 5 L. Sgandurra 5 V. Sordini 5 M. Vander Donckt 5 P. Verdier 5 S. Viret 5
Abstract : A measurement of the forward-backward asymmetry AFB of oppositely charged lepton pairs (mu mu and e e) produced via Z/gamma* boson exchange in pp collisions at sqrt(s) = 8 TeV is presented. The data sample corresponds to an integrated luminosity of 19.7 inverse femtobarns collected with the CMS detector at the LHC. The measurement ofAFB is performed for dilepton masses between 40 GeV and 2 TeV and for dilepton rapidity up to 5. The AFM measurements as a function of dilepton mass and rapidity are compared with the standard model predictions.
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Submitted on : Wednesday, January 20, 2016 - 7:57:26 AM
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V. Khachatryan, M. Besançon, F. Couderc, M. Dejardin, D. Denegri, et al.. Forward-backward asymmetry of Drell-Yan lepton pairs in pp collisions at sqrt(s) = 8 TeV. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2016, 76, pp.325. ⟨10.1140/epjc/s10052-016-4156-z⟩. ⟨in2p3-01259158⟩

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