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Article Dans Une Revue Journal of High Energy Physics Année : 2011

Measurement of Wgamma and Zgamma production in proton-proton collisions at sqrt(s)=7 TeV with the ATLAS Detector

G. Aad , S. Albrand (1) , M.L. Andrieux (1) , B. Clement (1) , J. Collot (1) , S. Crépé-Renaudin (1) , P. de Saintignon (1) , P.A. Delsart (1) , J. Donini (1) , Daniel 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) , 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) , Emmanuel Busato (4) , D. Calvet (4) , S. Calvet (4) , Reina Coromoto Camacho Toro (4) , Diane Cinca (5) , R. Febbraro (4) , N. Ghodbane (4) , P. Gris (4) , C. Guicheney (4) , D. Pallin (4) , F. Podlyski (4) , C. Santoni (4) , L. P. Says (4) , F. Vazeille (4) , S. Viret (4) , H. Abreu (6) , C. Arnault (6) , E. Augé (6) , P. Barrillon (6) , M. Benoit (6) , S. Binet (6) , J.-B. Blanchard (6) , C. Bourdarios (6) , D. Breton (6) , C. Collard (6) , C. de La Taille (6) , J.B. de Vivie de Regie (6) , Sara Diglio (6) , F. Dudziak (6) , L. Duflot (6) , M. Escalier (6) , A.C. Falou (6) , L. Fayard (6) , D. Fournier (6) , J.-F. Grivaz (6) , M. Heller (6) , S. Henrot-Versillé (6) , J. Hrivnac (6) , L. Iconomidou-Fayard (6) , J. Idarraga (6) , M. Kado (6) , A. Lounis (6) , N. Makovec (6) , P. Matricon (6) , Y. Nakahama (6) , F. Niedercorn (6) , L. Poggioli (6) , P. Puzo (6) , A. Renaud (6) , D. Rousseau (6) , X. Ruan (6) , G. Rybkin (6) , J.B. Sauvan (6) , J. Schaarschmidt (6) , A.C. Schaffer (6) , L. Serin (6) , S. Simion (6) , R. Tanaka (6) , D. Varouchas (6) , J.J. Veillet (6) , I. Vukotic (6) , F. Wicek (6) , D. Zerwas (6) , Z. Zhang (6) , T. Beau (7) , S. Bordoni (7) , G. Calderini (7) , A. Camard (7) , P. Cavalleri (7) , E. Chareyre (7) , S. de Cecco (7) , F. Derue (7) , D. Imbault (7) , M.W. Krasny (7) , D. Lacour (7) , B. Laforge (7) , O. Le Dortz (7) , J. Lellouch (7) , G. Marchiori (7) , I. Nikolic-Audit (7) , J. Ocariz (7) , M. Ridel (7) , L. Roos (7) , Ph. Schwemling (7) , Timothée Theveneaux-Pelzer (7) , S. Trincaz-Duvoid (7) , T.N. Trinh (7) , F. Vannucci (8) , S. Aoun (9) , C. P. Bee (9) , C. Benchouk (9) , K. Bernardet (9) , N. Boussons (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. Leguirriec (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) , L. Aperio Bella (10) , B. Aubert (10) , N. Berger (10) , J. Colas (10) , L. Di Ciaccio (10) , T.K.O. Doan (10) , S. Elles (10) , P. Ghez (10) , M. Gouanère (10) , C. Goy (10) , T. Guillemin (10) , L. Helary (10) , T. Hryn'Ova (10) , G. Ionescu (10) , A. Jérémie (10) , S. Jézéquel (10) , M. Kataoka (10) , J. Labbe (10) , R. Lafaye (10) , J. Leveque (10) , N. Massol (10) , P. Perrodo (10) , H. Przysiezniak (10) , G. Sauvage (10) , T. Todorov (10) , D. Tsionou (10) , I. Wingerter-Seez (10) , R. Zitoun (10) , Y. Zolnierowski (10) , M. Kuna (7) , Sandrine Laplace (7, 10)
G. Aad
E. Cogneras
S. Calvet
Diane Cinca
E. Augé
C. Collard
Sara Diglio
D. Rousseau
D. Varouchas
Z. Zhang
F. Vannucci
  • Fonction : Auteur
Y. Coadou
N. Berger
C. Goy
T. Hryn'Ova

Résumé

We present studies of W and Z bosons with associated high energy photons produced in pp collisions at sqrt(s)=7 TeV. The analysis uses 35 pb-1 of data collected by the ATLAS experiment in 2010. The event selection requires W and Z bosons decaying into high pT leptons (electrons or muons) and a photon with ET>15 GeV separated from the lepton(s) by a distance Delta_R(l,gamma)>0.7 in eta-phi space. A total of 95 (97) pp->e nu gamma + X (pp->mu nu gamma + X) and 25 (23) pp->e+ e- gamma + X (pp->mu+ mu- gamma + X) event candidates are selected. The kinematic distributions of the leptons and photons and the production cross sections are measured. The data are found to agree with Standard Model predictions that include next-to-leading-order O(alpha alpha_s) contributions.

Dates et versions

in2p3-00599308 , version 1 (09-06-2011)

Identifiants

Citer

G. Aad, S. Albrand, M.L. Andrieux, B. Clement, J. Collot, et al.. Measurement of Wgamma and Zgamma production in proton-proton collisions at sqrt(s)=7 TeV with the ATLAS Detector. Journal of High Energy Physics, 2011, 9, 72 (41 p.). ⟨10.1007/JHEP09(2011)072⟩. ⟨in2p3-00599308⟩
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