Measurement of the differential cross sections for top quark pair production as a function of kinematic event variables in pp collisions at sqrt(s) = 7 and 8 TeV

V. Khachatryan M. Besançon 1 F. Couderc 2 M. Dejardin 1 D. Denegri 1 B. Fabbro 1 J.L. Faure 1 C. Favaro 1 F. Ferri 1 S. Ganjour 1 A. Givernaud 1 P. Gras 1 G. Hamel De Monchenault 1 P. Jarry 1 E. Locci 1 M. Machet 1 J. Malcles 1 J. Rander 1 A. Rosowsky 1 M. Titov 1 A. Zghiche 1 I. Antropov 3 S. Baffioni 3 F. Beaudette 3 P. Busson 3 L. Cadamuro 3 E. Chapon 3 C. Charlot 3 T. Dahms 3 O. Davignon 3 N. Filipovic 3 A. Florent 3 R. Granier De Cassagnac 3 S. Lisniak 3 L. Mastrolorenzo 3 P. Mine 3 I.N. Naranjo 3 C. Ochando 3 M. Nguyen 3 G. Ortona 3 P. Paganini 3 P. Pigard 3 S. Regnard 3 R. Salerno 3 J.B. Sauvan 3 Y. Sirois 3 T. Strebler 3 Y. Yilmaz 3 A. Zabi 3 J.-L. Agram 4 J. Andrea A. Aubin 4 D. Bloch 4 J.-M. Brom 4 M. Buttignol 4 E.C. Chabert 4 N. Chanon 4 C. Collard 4 E. Conte 4 X. Coubez 4 J.-C. Fontaine 4 D. Gele 4 U. Goerlach 4 C. Goetzmann 4 A.-C. Le Bihan 4 J.A. Merlin 4 K. Skovpen 4 P. Van Hove 4 S. Gadrat 5 S. Beauceron 6 C. Bernet 6 G. Boudoul 6 E. Bouvier 6 C.A. Carrillo Montoya 6 R. Chierici 6 D. Contardo 6 B. Courbon 6 P. Depasse 6 H. El Mamouni 6 J. Fan 6 J. Fay 6 S. Gascon 6 M. Gouzevitch 6 B. Ille 6 F. Lagarde 6 I.B. Laktineh 6 M. Lethuillier 6 L. Mirabito 6 A.L. Pequegnot 6 S. Perries 6 J.D. Ruiz Alvarez D. Sabes 6 L. Sgandurra 6 V. Sordini 6 M. Vander Donckt 6 P. Verdier 6 S. Viret 6 H. Xiao 6
1 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
2 CNRS - Centre National de la Recherche Scientifique
3 LLR - Laboratoire Leprince-Ringuet
4 IPHC - Institut Pluridisciplinaire Hubert Curien
5 CC-IN2P3 - Centre de Calcul de l'IN2P3
6 IPNL - Institut de Physique Nucléaire de Lyon
Abstract : Measurements are reported of the normalized differential cross sections for top quark pair production with respect to four kinematic event variables: the missing transverse energy; the scalar sum of the jet transverse momentum (pT); the scalar sum of the pT of all objects in the event; and the pT of leptonically decaying W bosons from top quark decays. The data sample, collected using the CMS detector at the LHC, consists of 5.0 inverse-femtobarns of proton-proton collisions at sqrt(s) = 7 TeV and 19.7 inverse-femtobarns at sqrt(s) = 8 TeV. Top quark pair events containing one electron or muon are selected. The results are presented after correcting for detector effects to allow direct comparison with theoretical predictions. No significant deviations from the predictions of several standard model event simulation generators are observed.
Type de document :
Article dans une revue
Physical Review D, American Physical Society, 2016, 94, pp.052006. 〈10.1103/PhysRevD.94.052006〉
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http://hal.in2p3.fr/in2p3-01341853
Contributeur : Sylvie Flores <>
Soumis le : mardi 5 juillet 2016 - 07:12:06
Dernière modification le : jeudi 10 mai 2018 - 01:59:59

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V. Khachatryan, M. Besançon, F. Couderc, M. Dejardin, D. Denegri, et al.. Measurement of the differential cross sections for top quark pair production as a function of kinematic event variables in pp collisions at sqrt(s) = 7 and 8 TeV. Physical Review D, American Physical Society, 2016, 94, pp.052006. 〈10.1103/PhysRevD.94.052006〉. 〈in2p3-01341853〉

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