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Performance of the ATLAS Trigger System in 2010

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 V.P. Lombardo 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 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 D. Pallin 4 F. Podlyski 4 C. Santoni 4 L. P. Says 4 F. Vazeille 4 S. Albrand 6 M.L. Andrieux 6 B. Clement 6 J. Collot 6 S. Crépé-Renaudin 6 P. de Saintignon 6 P.A. Delsart 6 J. Donini 6 D. Dzahini 6 J.Y. Hostachy 6 E. Laisne 6 F. Ledroit-Guillon 6 A. Lleres 6 A. Lucotte 6 F. Malek 6 P. Martin 6 F. Polci 6 J. Stark 6 X. Sun 7 B. Trocmé 6 C. Weydert 6 S. Aoun 8 C. P. Bee 8 C. Benchouk 8 K. Bernardet 8 N. Bousson 8 J. C. Clémens 8 Y. Coadou 8 P. Delpierre 8 F. Djama 8 F. Etienne 8 L. Feligioni 8 F. Henry-Couannier 8 D. Hoffmann 8 F. Hubaut 8 E.B. F. G. Knoops 8 E. Le Guirriec 8 B. Li 8 E. Monnier 8 J. Odier 8 E. Petit 8 P. Pralavorio 8 Z. Qian 8 A. Rozanov 8 M. Talby 8 N. Tannoury 8 S. Tisserant 8 J. Toth 8 F. Touchard 8 L. Vacavant 8 T. Beau 9 S. Bordoni 9 G. Calderini 9 A. Camard 9 P. Cavalleri 9 E. Chareyre 9 S. de Cecco 9 F. Derue 9 D. Imbault 9 M.W. Krasny 9 D. Lacour 9 B. Laforge 9 O. Le Dortz 9 J. Lellouch 9 G. Marchiori 9 I. Nikolic-Audit 9 J. Ocariz 9 M. Ridel 9 L. Roos 9 Ph. Schwemling 9 Timothée Theveneaux-Pelzer 9 S. Trincaz-Duvoid 9 T.N. Trinh 9 F. Vannucci 10 H. Abreu 11 N. Andari 11 C. Arnault 11 E. Augé 11 P. Barrillon 11 M. Benoit 11 S. Binet 11 J.-B. Blanchard 11 C. Bourdarios 11 D. Breton 11 C. Collard 12 C. de la Taille 11 J.B. de Vivie de Regie 11 S. Diglio 11 L. Duflot 11 M. Escalier 11 A.C. Falou 11 L. Fayard 11 D. Fournier 11 J.-F. Grivaz 11 M. Heller 11 S. Henrot-Versillé 11 J. Hrivnac 11 L. Iconomidou-Fayard 11 J. Idarraga 11 M. Kado 11 A. Lounis 11 N. Makovec 11 P. Matricon 11 F. Niedercorn 11 L. Poggioli 11 P. Puzo 11 A. Renaud 11 D. Rousseau 11 X. Ruan 11, 13 G. Rybkin 11 J.B. Sauvan 11 J. Schaarschmidt 11 A.C. Schaffer 11 L. Serin 11 S. Simion 11 R. Tanaka 11 J.J. Veillet 11 I. Vukotic 11 F. Wicek 11 D. Zerwas 11 Zhiqing Zhang 11
Abstract : Proton-proton collisions at \sqrt{s}=7 TeV and heavy ion collisions at \sqrt{s_{NN}}=2.76 TeV were produced by the LHC and recorded using the ATLAS experiment's trigger system in 2010. The LHC is designed with a maximum bunch crossing rate of 40 MHz and the ATLAS trigger system is designed to record approximately 200 of these per second. The trigger system selects events by rapidly identifying signatures of muon, electron, photon, tau lepton, jet, and B meson candidates, as well as using global event signatures, such as missing transverse energy. An overview of the ATLAS trigger system, the evolution of the system during 2010 and the performance of the trigger system components and selections based on the 2010 collision data are shown. A brief outline of plans for the trigger system in 2011 is presented
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Submitted on : Friday, October 14, 2011 - 3:38:13 PM
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G. Aad, L. Aperio Bella, B. Aubert, N. Berger, J. Colas, et al.. Performance of the ATLAS Trigger System in 2010. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2012, 72, 1849 (61 p.). ⟨10.1140/epjc/s10052-011-1849-1⟩. ⟨in2p3-00632535⟩

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