Skip to Main content Skip to Navigation
Journal articles

Measurement of the top quark pair production cross section in pp collisions at sqrt(s) = 7 TeV in dilepton final states with ATLAS

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 D. Dzahini 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 F. Bauer 3 N. Besson 3 N.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. Lenzi 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 C. Xu 3 J. Yu 3 H. Abreu 4 N. Andari 4 C. Arnault 4 E. Augé 4 P. Barrillon 4 M. Benoit 4 S. Binet 4 J.-B. Blanchard 4 C. Bourdarios 4 D. Breton 4 C. Collard 5 C. de la Taille 4 J.B. de Vivie de Regie 4 S. Diglio 4 L. Duflot 4 M. Escalier 4 A.C. Falou 4 L. Fayard 4 D. Fournier 4 J.-F. Grivaz 4 M. Heller 4 S. Henrot-Versillé 4 J. Hrivnac 4 L. Iconomidou-Fayard 4 J. Idarraga 4 M. Kado 4 A. Lounis 4 N. Makovec 4 P. Matricon 4 F. Niedercorn 4 L. Poggioli 4 P. Puzo 4 A. Renaud 4 D. Rousseau 4 X. Ruan 4 G. Rybkin 4 J.B. Sauvan 4 J. Schaarschmidt 4 A.C. Schaffer 4 L. Serin 4 S. Simion 4 R. Tanaka 4 J.J. Veillet 4 I. Vukotic 4 F. Wicek 4 D. Zerwas 4 Zhiqing Zhang 4 Emmanuel Busato 6 D. Calvet 6 S. Calvet 6 Reina Coromoto Camacho Toro 6 Diane Cinca 7 R. Febbraro 6 N. Ghodbane 6 C. Guicheney 6 D. Pallin 6 F. Podlyski 6 C. Santoni 6 L. P. Says 6 F. Vazeille 6 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 M. Gouanère 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 N. Massol 8 P. Perrodo 8 H. Przysiezniak 8 G. Sauvage 8 E. Sauvan 8 T. Todorov 8 D. Tsionou 8 I. Wingerter-Seez 8 R. Zitoun 8 Y. Zolnierowski 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 S. Aoun 11 C. P. Bee 11 C. Benchouk 11 K. Bernardet 11 N. Bousson 11 J. C. Clémens 11 Y. Coadou 11 P. Delpierre 11 F. Djama 11 F. Etienne 11 L. Feligioni 11 F. Henry-Couannier 11 D. Hoffmann 11 F. Hubaut 11 E.B. F. G. Knoops 11 E. Le Guirriec 11 B. Li 11 E. Monnier 11 J. Odier 11 E. Petit 11 P. Pralavorio 11 Z. Qian 11 A. Rozanov 11 M. Talby 11 N. Tannoury 11 S. Tisserant 11 J. Toth 11 F. Touchard 11 L. Vacavant 11
Abstract : A measurement of the production cross section of top quark pairs (ttbar) in proton-proton collisions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the Large Hadron Collider is reported. Candidate events are selected in the dilepton topology with large missing transverse energy and at least two jets. Using a data sample corresponding to an integrated luminosity of 35 pb^-1, a ttbar production cross section of 171 +/- 20(stat.) +/- 14(syst.) +8-6(lum.) pb is measured for an assumed top quark mass of 172.5 GeV. A second measurement requiring at least one jet identified as coming from a b quark yields a comparable result, demonstrating that the dilepton final states are consistent with being accompanied by b-quark jets. These measurements are in good agreement with Standard Model predictions.
Document type :
Journal articles
Complete list of metadatas

http://hal.in2p3.fr/in2p3-00615427
Contributor : Emmanuelle Vernay <>
Submitted on : Friday, August 19, 2011 - 8:23:08 AM
Last modification on : Thursday, February 25, 2021 - 10:58:36 AM

Links full text

Identifiers

Citation

G. Aad, S. Albrand, M.L. Andrieux, B. Clement, J. Collot, et al.. Measurement of the top quark pair production cross section in pp collisions at sqrt(s) = 7 TeV in dilepton final states with ATLAS. Physics Letters B, Elsevier, 2012, 707, pp.459-477. ⟨10.1016/j.physletb.2011.12.055⟩. ⟨in2p3-00615427⟩

Share

Metrics

Record views

602