Article Dans Une Revue Physical Review Letters Année : 2011

Dijet Azimuthal Decorrelations in pp Collisions at sqrt(s) = 7 TeV

V. Khachatryan , D. Sillou (1) , M. Besancon (2) , S. Choudhury (2) , M. Dejardin (2) , D. Denegri (2) , B. Fabbro (2) , J.L. Faure (2) , F. Ferri (2) , S. Ganjour (2) , F.X. Gentit (2) , A. Givernaud (2) , P. Gras (2) , G. Hamel de Monchenault (2) , P. Jarry (2) , E. Locci (2) , J. Malcles (2) , M. Marionneau (2) , L. Millischer (2) , J. Rander (2) , A. Rosowsky (2) , I. Shreyber (2) , M. Titov (2) , P. Verrecchia (2) , S. Baffioni (3) , F. Beaudette (3) , L. Bianchini (3) , M. Bluj (3) , C. Broutin (3) , Pierre Busson (3) , C. Charlot (3) , T. Dahms (3) , L. Dobrzynski (3) , R. Granier de Cassagnac (3) , M. Haguenauer (3) , P. Miné (3) , C. Mironov (3) , C. Ochando (3) , P. Paganini (3) , D. Sabes (3) , R. Salerno (3) , Y. Sirois (3) , C. Thiebaux (3) , B. Wyslouch (3) , A. Zabi (3) , J.-L. Agram (4) , J. Andrea (4) , A. Besson (4) , D. Bloch (4) , D. Bodin (4) , J.-M. Brom (4) , M. Cardaci (4) , E.C. Chabert (4) , C. Collard (4) , E. Conte (4) , F. Drouhin (4) , C. Ferro (4) , J.-C. Fontaine (4) , D. Gelé (4) , U. Goerlach (4) , S. Greder (4) , P. Juillot (4) , M. Karim (4) , A.-C. Le Bihan (4) , Y. Mikami (4) , P. van Hove (4) , F. Fassi (5) , D. Mercier (5) , C. Baty (6) , N. Beaupere (6) , M. Bedjidian (6) , O. Bondu (6) , G. Boudoul (6) , D. Boumediene (6) , H. Brun (6) , N. Chanon (6) , R. Chierici (6) , D. Contardo (6) , P. Depasse (6) , H. El Mamouni (7) , A. Falkiewicz (6) , J. Fay (6) , S. Gascon (6) , B. Ille (6) , T. Kurca (6) , T. Le Grand (6) , M. Lethuillier (6) , L. Mirabito (6) , S. Perries (6) , V. Sordini (6) , S. Tosi (6) , Y. Tschudi (6) , P. Verdier (6) , H. Xiao (6)
V. Khachatryan
  • Fonction : Auteur
Pierre Busson
C. Mironov
P. Paganini
J.-L. Agram
E. Conte
D. Contardo
H. El Mamouni
  • Fonction : Auteur

Résumé

Measurements of dijet azimuthal decorrelations in pp collisions at sqrt(s) = 7 TeV using the CMS detector at the CERN LHC are presented. The analysis is based on an inclusive dijet event sample corresponding to an integrated luminosity of 2.9 inverse picobarns. The results are compared to predictions from perturbative QCD calculations and various Monte Carlo event generators. The dijet azimuthal distributions are found to be sensitive to initial-state gluon radiation.

Dates et versions

in2p3-00560062 , version 1 (27-01-2011)

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Citer

V. Khachatryan, D. Sillou, M. Besancon, S. Choudhury, M. Dejardin, et al.. Dijet Azimuthal Decorrelations in pp Collisions at sqrt(s) = 7 TeV. Physical Review Letters, 2011, 106, pp.122003. ⟨10.1103/PhysRevLett.106.122003⟩. ⟨in2p3-00560062⟩
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