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Article Dans Une Revue European Physical Journal C: Particles and Fields Année : 2013

Measurements of top quark pair relative differential cross-sections with ATLAS in pp collisions at sqrt(s) = 7 TeV

G. Aad , S. Aoun (1) , C. P. Bee (1) , C. Bertella (1) , N. Bousson (1) , J. C. Clémens (1) , Y. Coadou (1) , F. Djama (1) , F. Etienne (1) , L. Feligioni (1) , D. Hoffmann (1) , F. Hubaut (1) , E.B.F.G. Knoops (1) , E. Le Guirriec (1) , B. Li (1) , J. Maurer (1) , E. Monnier (1) , J. Odier (1) , P. Pralavorio (1) , A. Rozanov (1) , M. Talby (1) , N. Tannoury (1) , S. Tisserant (1) , J. Toth (1) , F. Touchard (1) , L. Vacavant (1) , C. Biscarat (2) , E. Cogneras (2) , G. Rahal (2) , S. Albrand (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) , S. Abdel Khalek (4) , H. Abreu (4) , N. Andari (4) , C. Arnault (4) , E. Augé (4) , P. Barrillon (4) , M. Benoit (4) , S. Binet (4) , C. Bourdarios (4) , C. de La Taille (4) , J.B. de Vivie de Regie (4) , L. Duflot (4) , M. Escalier (4) , L. Fayard (4) , D. Fournier (4) , J.-F. Grivaz (4) , S. Henrot-Versillé (4) , J. Hrivnac (4) , L. Iconomidou-Fayard (4) , J. Idarraga (4) , M. Kado (4) , N. Lorenzo Martinez (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) , G. Rybkin (4) , J.B. Sauvan (4) , J. Schaarschmidt (4) , A.C. Schaffer (4) , L. Serin (4) , S. Simion (4) , R. Tanaka (4) , M. Teinturier (4) , J.J. Veillet (4) , I. Vukotic (4) , F. Wicek (4) , D. Zerwas (4) , Zhiqing Zhang (4) , D. Boumediene (5) , Emmanuel Busato (5) , D. Calvet (5) , S. Calvet (5) , Reina Coromoto Camacho Toro (5) , Diane Cinca (6) , J. Donini (5) , R. Febbraro (5) , N. Ghodbane (5) , C. Guicheney (5) , H. Liao (5) , D. Pallin (5) , Daniela Paredes Hernández (5) , F. Podlyski (5) , C. Santoni (5) , F. Vazeille (5) , F. Vannucci (7) , L. Aperio Bella (8) , B. Aubert (8) , N. Berger (8) , J. Colas (8) , M. Delmastro (8) , L. Di Ciaccio (8) , T.K.O. Doan (8) , S. Elles (8) , C. Goy (8) , T. Hryn'Ova (8) , S. Jézéquel (8) , M. Kataoka (8) , J. Labbe (8) , R. Lafaye (8) , J. Leveque (8) , V.P. Lombardo (8) , N. Massol (8) , P. Perrodo (8) , E. Petit (8) , H. Przysiezniak (8) , E. Richter-Was (8) , G. Sauvage (8) , E. Sauvan (8) , M. Schwoerer (8) , T. Todorov (8) , D. Tsionou (8) , I. Wingerter-Seez (8) , R. Zitoun (8)
G. Aad
Y. Coadou
E. Cogneras
E. Augé
D. Rousseau
Zhiqing Zhang
  • Fonction : Auteur
  • PersonId : 829631
S. Calvet
Diane Cinca
F. Vannucci
  • Fonction : Auteur
N. Berger
C. Goy
T. Hryn'Ova

Résumé

Measurements are presented of differential cross-sections for top quark pair production in pp collisions at sqrt(s) = 7 TeV relative to the total inclusive top quark pair production cross-section. A data sample of 2.05/fb recorded by the ATLAS detector at the Large Hadron Collider is used. Relative differential cross-sections are derived as a function of the invariant mass, the transverse momentum and the rapidity of the top quark pair system. Events are selected in the lepton (electron or muon) + jets channel. The background-subtracted differential distributions are corrected for detector effects, normalized tothe total inclusive top quark pair production cross-section and compared to theoretical predictions. The measurement uncertainties range typically between 10% and 20% and are generally dominated by systematic effects. No significant deviations from the Standard Model expectations are observed.

Dates et versions

in2p3-00720590 , version 1 (25-07-2012)

Identifiants

Citer

G. Aad, S. Aoun, C. P. Bee, C. Bertella, N. Bousson, et al.. Measurements of top quark pair relative differential cross-sections with ATLAS in pp collisions at sqrt(s) = 7 TeV. European Physical Journal C: Particles and Fields, 2013, 73, pp.2261. ⟨10.1140/epjc/s10052-012-2261-1⟩. ⟨in2p3-00720590⟩
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