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Measurement of the production cross section for Z/gamma* in association with jets 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 Emmanuel Busato 4 D. Calvet 4 S. Calvet 4 Reina Coromoto 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 L. Aperio Bella 6 B. Aubert 6 N. Berger 6 J. Colas 6 L. Di Ciaccio 6 T.K.O. Doan 6 S. Elles 6 P. Ghez 6 C. Goy 6 T. Guillemin 6 L. Helary 6 T. Hryn'Ova 6 G. Ionescu 6 A. Jérémie 6 S. Jézéquel 6 M. Kataoka 6 J. Labbe 6 R. Lafaye 6 J. Leveque 6 V.P. Lombardo 6 N. Massol 6 P. Perrodo 6 H. Przysiezniak 6 E. Richter-Was 6 G. Sauvage 6 E. Sauvan 6 T. Todorov 6 D. Tsionou 6 I. Wingerter-Seez 6 R. Zitoun 6 Y. Zolnierowski 6 H. Abreu 7 N. Andari 7 C. Arnault 7 E. Augé 7 P. Barrillon 7 M. Benoit 7 S. Binet 7 J.-B. Blanchard 7 C. Bourdarios 7 D. Breton 7 C. Collard 7 C. de la Taille 7 J.B. de Vivie de Regie 7 S. Diglio 7 L. Duflot 7 M. Escalier 7 A.C. Falou 7 L. Fayard 7 D. Fournier 7 J.-F. Grivaz 7 M. Heller 7 S. Henrot-Versillé 7 J. Hrivnac 7 L. Iconomidou-Fayard 7 J. Idarraga 7 M. Kado 7 A. Lounis 7 N. Makovec 7 P. Matricon 7 F. Niedercorn 7 L. Poggioli 7 P. Puzo 7 A. Renaud 7 D. Rousseau 7 X. Ruan 7 G. Rybkin 7 J.B. Sauvan 7 J. Schaarschmidt 7 A.C. Schaffer 7 L. Serin 7 S. Simion 7 R. Tanaka 7 J.J. Veillet 7 I. Vukotic 7 F. Wicek 7 D. Zerwas 7 Zhiqing Zhang 7 T. Beau 8 S. Bordoni 8 G. Calderini 8 A. Camard 8 P. Cavalleri 8 E. Chareyre 8 S. de Cecco 8 F. Derue 8 D. Imbault 8 M.W. Krasny 8 D. Lacour 8 B. Laforge 8 O. Le Dortz 8 J. Lellouch G. Marchiori 8 I. Nikolic-Audit 8 J. Ocariz 8 M. Ridel 8 L. Roos 8 Ph. Schwemling 8 Timothée Theveneaux-Pelzer 8 S. Trincaz-Duvoid 8 T.N. Trinh 8 F. Vannucci 9 S. Aoun 10 C. P. Bee 10 C. Benchouk 10 K. Bernardet 10 N. Bousson 10 J. C. Clémens 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 E. 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 L. Vacavant 10
Abstract : Results are presented on the production of jets of particles in association with a Z/gamma* boson, in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector. The analysis includes the full 2010 data set, collected with a low rate of multiple proton-proton collisions in the accelerator, corresponding to an integrated luminosity of 36 pb^-1. Inclusive jet cross sections in Z/gamma* events, with Z/gamma* decaying into electron or muon pairs, are measured for jets with transverse momentum pT > 30 GeV and jet rapidity |y| < 4.4. The measurements are compared to next-to-leading-order perturbative QCD calculations, and to predictions from different Monte Carlo generators implementing leading-order matrix elements supplemented by parton showers.
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Submitted on : Monday, November 14, 2011 - 8:46:54 AM
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G. Aad, S. Albrand, M.L. Andrieux, B. Clement, J. Collot, et al.. Measurement of the production cross section for Z/gamma* in association with jets in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector. Physical Review D, American Physical Society, 2012, 85, pp.032009. ⟨10.1103/PhysRevD.85.032009⟩. ⟨in2p3-00640656⟩

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