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Measurement of the transverse momentum distribution of Z/gamma* bosons in proton-proton collisions at sqrt(s)=7 TeV with the ATLAS detector

G. Aad L. Aperio Bella 1 B. Aubert 1 N. Berger 1 J. Colas 1 L. Di Ciaccio 1 T.K.O. Doan 1 S. Elles 1 P. Ghez 1 M. Gouanère 1 C. Goy 1 T. Guillemin 1 L. Helary 1 T. Hryn'Ova 1 G. Ionescu 1 A. Jérémie 1 S. Jézéquel 1 M. Kataoka 1 J. Labbe 1 R. Lafaye 1 J. Leveque 1 N. Massol 1 P. Perrodo 1 H. Przysiezniak 1 G. Sauvage 1 E. Sauvan 1 T. Todorov 1 D. Tsionou 1 I. Wingerter-Seez 1 R. Zitoun 1 Y. Zolnierowski 1 C. Biscarat 2 E. Cogneras 2 G. Rahal 2 H. Bachacou 3 F. Bauer 3 N. Besson 3 M. Bolnet 3 M. Boonekamp 3 L. Chevalier 3 J. Ernwein 3 A.I. Etienvre 3 A. Formica 3 L. Gauthier 3 F. Giraud 3 C. Guyot 3 S. Hassani 3 W. Kozanecki 3 E. Lancon 3 J.F. Laporte 3 E. Le Menedeu 3 M. Legendre 3 B. Mansoulie 3 J.-P. Meyer 3 N. Morange 3 E. Mountricha 3 Thi Hong 3 R. Nicolaidou 3 A. Ouraou 3 D.M. Pomarede 3 B. Resende 3 C.R. Royon 3 Ph. Schune 3 J. Schwindling 3 O. Simard 3 M. Virchaux 3 S. Albrand 4 M.L. Andrieux 4 B. Clement 4 J. Collot 4 S. Crépé-Renaudin 4 P. de Saintignon 4 P.A. Delsart 4 J. Donini 4 D. Dzahini 4 J.Y. Hostachy 4 E. Laisne 4 F. Ledroit-Guillon 4 A. Lleres 4 A. Lucotte 4 F. Malek 4 P. Martin 4 F. Polci 4 J. Stark 4 X. Sun 4 B. Trocmé 4 C. Weydert 4 H. Abreu 5 N. Andari 5 C. Arnault 5 E. Augé 5 P. Barrillon 5 M. Benoit 5 S. Binet 5 J.-B. Blanchard 5 C. Bourdarios 5 D. Breton 5 C. Collard 6 C. de la Taille 5 J.B. de Vivie de Regie 5 S. Diglio 5 L. Duflot 5 M. Escalier 5 A.C. Falou 5 L. Fayard 5 D. Fournier 5 J.-F. Grivaz 5 M. Heller 5 S. Henrot-Versillé 5 J. Hrivnac 5 L. Iconomidou-Fayard 5 J. Idarraga 5 M. Kado 5 A. Lounis 5 N. Makovec 5 P. Matricon 5 F. Niedercorn 5 L. Poggioli 5 P. Puzo 5 A. Renaud 5 D. Rousseau 5 X. Ruan 5 G. Rybkin 5 J.B. Sauvan 5 J. Schaarschmidt 5 A.C. Schaffer 5 L. Serin 5 S. Simion 5 R. Tanaka 5 J.J. Veillet 5 I. Vukotic 5 F. Wicek 5 D. Zerwas 5 Zhiqing Zhang 5 Emmanuel Busato 7 D. Calvet 7 S. Calvet 7 Reina Coromoto Camacho Toro 7 Diane Cinca 8 R. Febbraro 7 N. Ghodbane 7 C. Guicheney 7 D. Pallin 7 F. Podlyski 7 C. Santoni 7 L. P. Says 7 F. Vazeille 7 S. Aoun 9 C. P. Bee 9 C. Benchouk 9 K. Bernardet 9 N. Bousson 9 J. C. Clémens 9 Y. Coadou 9 P. Delpierre 9 F. Djama 9 F. Etienne 9 L. Feligioni 9 F. Henry-Couannier 9 D. Hoffmann 9 F. Hubaut 9 E.B. F. G. Knoops 9 E. Le Guirriec 9 B. Li 9 E. Monnier 9 J. Odier 9 E. Petit 9 P. Pralavorio 9 Z. Qian 9 A. Rozanov 9 M. Talby 9 N. Tannoury 9 S. Tisserant 9 J. Toth 9 F. Touchard 9 L. Vacavant 9 T. Beau 10 S. Bordoni 10 G. Calderini 10 A. Camard 10 P. Cavalleri 10 E. Chareyre 10 S. de Cecco 10 F. Derue 10 D. Imbault 10 M.W. Krasny 10 D. Lacour 10 B. Laforge 10 O. Le Dortz 10 J. Lellouch 10 G. Marchiori 10 I. Nikolic-Audit 10 J. Ocariz 10 M. Ridel 10 L. Roos 10 Ph. Schwemling 10 Timothée Theveneaux-Pelzer 10 S. Trincaz-Duvoid 10 T.N. Trinh 10 F. Vannucci 11
Abstract : A measurement of the Z/gamma* transverse momentum (p_T^Z)) distribution in proton-proton collisions at sqrt(s)=7 TeV is presented using Z/gamma*->e+e- and Z/gamma*->mu+mu- decays collected with the ATLAS detector in data sets with integrated luminosities of 35 pb-1 and 40 pb-1, respectively. The normalized differential cross sections are measured separately for electron and muon decay channels as well as for their combination up to p_T^Z of 350 GeV for invariant dilepton masses 66 GeV
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Submitted on : Friday, July 22, 2011 - 2:01:45 PM
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G. Aad, L. Aperio Bella, B. Aubert, N. Berger, J. Colas, et al.. Measurement of the transverse momentum distribution of Z/gamma* bosons in proton-proton collisions at sqrt(s)=7 TeV with the ATLAS detector. Physics Letters B, Elsevier, 2011, 705, pp.415-434. ⟨10.1016/j.physletb.2011.10.018⟩. ⟨in2p3-00610545⟩

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