Measurement of the inclusive W+- and Z/gamma cross sections in the electron and muon decay channels in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

G. Aad S. Albrand 1 M.L. Andrieux 1 B. Clement 1 J. Collot 1 S. Crépé-Renaudin 1 P.A. Delsart 1 J. Donini 1 J.Y. Hostachy 1 E. Laisne 1 F. Ledroit-Guillon 1 A. Lleres 1 A. Lucotte 1 F. Malek 1 P. Martin 1 F. Polci 1 J. Stark 1 X. Sun 1 B. Trocmé 1 C. Weydert 1 C. Biscarat 2 E. Cogneras 2 G. Rahal 2 H. Bachacou 3 E. Busato 4 D. Calvet 4 S. Calvet 4 R. Camacho Toro 4 Diane Cinca 5 R. Febbraro 4 N. Ghodbane 4 C. Guicheney 4 H. Liao 4 D. Pallin 4 F. Podlyski 4 C. Santoni 4 L.-P. Says 4 F. Vazeille 4 T. Beau 6 S. Bordoni 6 G. Calderini 6 A. Camard 6 P. Cavalleri 6 E. Chareyre 6 S. De Cecco 6 F. Derue 6 D. Imbault 6 M.W. Krasny 6 D. Lacour 6 B. Laforge 6 O. Le Dortz 6 J. Lellouch G. Marchiori 6 I. Nikolic-Audit 6 J. Ocariz 6 M. Ridel 6 L. Roos 6 Ph. Schwemling 6 T. Theveneaux-Pelzer 6 S. Trincaz-Duvoid 6 T.N. Trinh 6 F. Vannucci 7 L. Aperio Bella 8 B. Aubert 8 N. Berger 8 J. Colas 8 L. Di Ciaccio 8 T.K.O. Doan 8 S. Elles 8 P. Ghez 8 C. Goy 8 T. Guillemin 8 L. Helary 8 T. Hryn'Ova 8 G. Ionescu 8 A. Jérémie 8 S. Jézéquel 8 M. Kataoka 8 J. Labbe 8 R. Lafaye 8 J. Leveque 8 V.P. Lombardo 8 N. Massol 8 P. Perrodo 8 H. Przysiezniak 8 E. Richter-Was 8 G. Sauvage 8 E. Sauvan 8 T. Todorov 8 D. Tsionou 8 I. Wingerter-Seez 8 R. Zitoun 8 Y. Zolnierowski 8 H. Abreu 9 N. Andari 9 C. Arnault 9 E. Augé 9 P. Barrillon 9 M. Benoit S. Binet 9 J.-B. Blanchard 9 C. Bourdarios 9 D. Breton 9 C. Collard C. De La Taille 9 J.B. De Vivie De Regie 9 S. Diglio 9 L. Duflot 9 M. Escalier 9 A.C. Falou 9 L. Fayard 9 D. Fournier 9 J.-F. Grivaz M. Heller 9 S. Henrot-Versillé 9 J. Hrivnac 9 L. Iconomidou-Fayard 9 J. Idarraga 9 M. Kado 9 A. Lounis 9 N. Makovec 9 P. Matricon 9 F. Niedercorn 9 L. Poggioli 9 P. Puzo 9 A. Renaud 9 D. Rousseau 9 X. Ruan 9 G. Rybkin 9 J.B. Sauvan 9 J. Schaarschmidt 9 A.C. Schaffer 9 L. Serin 9 S. Simion 9 R. Tanaka 9 J.J. Veillet 9 I. Vukotic 9 F. Wicek 9 D. Zerwas 9 Z. Zhang 9 S. Aoun 10 C.P. Bee 10 C. Benchouk 10 K. Bernardet 10 N. Bousson 10 J. C. Clemens 10 Y. Coadou 10 P. Delpierre 10 F. Djama 10 F. Etienne 10 L. Feligioni 10 F. Henry-Couannier 10 D. Hoffmann 10 F. Hubaut 10 E. B. F. G. Knoops 10 Le Guirriec 10 B. Li 10 E. Monnier 10 J. Odier 10 E. Petit 10 P. Pralavorio 10 Z. Qian 10 A. Rozanov 10 M. Talby 10 N. Tannoury 10 S. Tisserant 10 J. Toth 10 F. Touchard 10
Abstract : The production cross sections of the inclusive Drell-Yan processes W to l nu and Z/gamma to ll (l=e,mu) are measured in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector. The cross sections are reported integrated over a fiducial kinematic range, extrapolated to the full range and also evaluated differentially as a function of the W decay lepton pseudorapidity and the Z boson rapidity, respectively. Based on an integrated luminosity of about 35 pb^-1 collected in 2010, the precision of these measurements reaches a few per cent. The integrated and the differential W+- and Z/gamma cross sections in the e and mu channels are combined, and compared with perturbative QCD calculations, based on a number of different parton distribution sets available at NNLO.
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Submitted on : Thursday, November 17, 2011 - 10:00:08 AM
Last modification on : Thursday, November 17, 2011 - 10:00:08 AM

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G. Aad, S. Albrand, M.L. Andrieux, B. Clement, J. Collot, et al.. Measurement of the inclusive W+- and Z/gamma cross sections in the electron and muon decay channels in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector. Physical Review D, American Physical Society, 2012, 85, pp.072004. <10.1103/PhysRevD.85.072004>. <in2p3-00642013>

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