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Improved luminosity determination in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector at the LHC

G. Aad S. Abdel Khalek 1 N. Andari 1 E. Augé 1 M. Benoit 1 S. Binet 1 C. Bourdarios 1 C. de la Taille 1 J.B. de Vivie de Regie 1 L. Duflot 1 M. Escalier 1 L. Fayard 1 D. Fournier 1 J.-F. Grivaz 1 S. Henrot-Versillé 1 J. Hrivnac 1 L. Iconomidou-Fayard 1 J. Idarraga 1 M. Kado 1 N. Lorenzo Martinez 1 A. Lounis 1 N. Makovec 1 F. Niedercorn 1 L. Poggioli 1 P. Puzo 1 A. Renaud 1 D. Rousseau 1 G. Rybkin 1 J.B. Sauvan 1 J. Schaarschmidt 1 A.C. Schaffer 1 L. Serin 1 S. Simion 1 R. Tanaka 1 M. Teinturier 1 J.J. Veillet 1 D. Zerwas 1 Z. Zhang 1 C. Biscarat 2 G. Rahal 2 S. Albrand 3 M.L. Andrieux 3 Q. Buat 3 B. Clement 3 J. Collot 3 S. Crépé-Renaudin 3 B. Dechenaux 3 T. Delemontex 3 P.A. Delsart 3 M.H. Genest 3 J.Y. Hostachy 3 E. Laisne 3 F. Ledroit-Guillon 3 A. Lleres 3 A. Lucotte 3 F. Malek 3 J. Stark 3 X. Sun 3 B. Trocmé 3 J. Wang 3 C. Weydert 3 D. Boumediene 4 Emmanuel Busato 4 D. Calvet 4 S. Calvet 4 Reina Coromoto Camacho Toro 4 Diane Cinca 5 J. Donini 4 Ph. Gris 4 N. Ghodbane 4 C. Guicheney 4 H. Liao 4 D. Pallin 4 Daniela Paredes Hernández 4 F. Podlyski 4 C. Santoni 4 F. Vazeille 4 L. Aperio Bella 6 B. Aubert 6 N. Berger 6 J. Colas 6 M. Delmastro 6 L. Di Ciaccio 6 T.K.O. Doan 6 S. Elles 6 C. Goy 6 T. Hryn'Ova 6 S. Jézéquel 6 H. Keoshkerian 6 R. Lafaye 6 J. Leveque 6 V.P. Lombardo 6 M. Maeno 6 N. Massol 6 P. Perrodo 6 E. Petit 6 H. Przysiezniak 6 E. Richter-Was 6 G. Sauvage 6 E. Sauvan 6 M. Schwoerer 6 T. Todorov 6 D. Tsionou 6 I. Wingerter-Seez 6 R. Zitoun 6 S. Aoun 7 C. P. Bee 7 C. Bertella 7 N. Bousson 7 J. C. Clémens 7 Y. Coadou 7 F. Djama 7 F. Etienne 7 L. Feligioni 7 D. Hoffmann 7 F. Hubaut 7 E. B. F. G. Knoops 7 E. Le Guirriec 7 B. Li 7 J. Maurer 7 E. Monnier 7 J. Odier 7 P. Pralavorio 7 A. Rozanov 7 M. Talby 7 N. Tannoury 7 S. Tisserant 7 J. Toth 7 F. Touchard 7 L. Vacavant 7
Abstract : The luminosity calibration for the ATLAS detector at the LHC during pp collisions at sqrt(s) = 7 TeV in 2010 and 2011 is presented. Evaluation of the luminosity scale is performed using several luminosity-sensitive detectors, and comparisons are made of the long-term stability and accuracy of this calibration applied to the pp collisions at sqrt(s) = 7 TeV. A luminosity uncertainty of Delta L/L = +/- 3.4% is obtained for the 48 pb-1 of data delivered to ATLAS in 2010, and an uncertainty of Delta L/L = +/- 1.8% is obtained for the 5.6 fb-1 delivered in 2011.
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Submitted on : Tuesday, February 19, 2013 - 10:05:59 AM
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G. Aad, S. Abdel Khalek, N. Andari, E. Augé, M. Benoit, et al.. Improved luminosity determination in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector at the LHC. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2013, 73, pp.2518. ⟨10.1140/epjc/s10052-013-2518-3⟩. ⟨in2p3-00789944⟩

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