Forward-backward asymmetry of Drell-Yan lepton pairs in pp collisions at sqrt(s) = 7 TeV

Abstract : A measurement of the forward-backward asymmetry (A[FB]) of Drell-Yan lepton pairs in pp collisions at sqrt(s) = 7 TeV is presented. The data sample, collected with the CMS detector, corresponds to an integrated luminosity of 5 inverse femtobarns. The asymmetry is measured as a function of dilepton mass and rapidity in the dielectron and dimuon channels. Combined results from the two channels are also presented. The A[FB] measurement in the dimuon channel and the combination of the two channels are the first such results obtained at a hadron collider. The measured asymmetries are consistent with the standard model predictions.
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Article dans une revue
Physics Letters B, Elsevier, 2013, 718, pp.752-772. <10.1016/j.physletb.2012.10.082>


http://hal.in2p3.fr/in2p3-00718706
Contributeur : Sylvie Flores <>
Soumis le : mercredi 18 juillet 2012 - 08:14:22
Dernière modification le : mercredi 27 juillet 2016 - 14:48:48

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S. Chatrchyan, M. Besancon, S. Choudhury, M. Dejardin, D. Denegri, et al.. Forward-backward asymmetry of Drell-Yan lepton pairs in pp collisions at sqrt(s) = 7 TeV. Physics Letters B, Elsevier, 2013, 718, pp.752-772. <10.1016/j.physletb.2012.10.082>. <in2p3-00718706>

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