Measurement of differential cross sections for top quark pair production using the lepton + jets final state in proton-proton collisions at 13 TeV

Differential and double-differential cross sections for the production of top quark pairs in proton-proton collisions at 13 TeV are measured as a function of jet multiplicity and of kinematic variables of the top quarks and the top quark-antiquark system. This analysis is based on data collected by...

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Veröffentlicht in:	Physical review. D 2017-05, Vol.95 (9), Article 092001
Hauptverfasser:	Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T., Brandstetter, J., Brondolin, E., Dragicevic, M., Erö, J., Flechl, M., Friedl, M., Frühwirth, R., Ghete, V. M., Hartl, C., Hörmann, N., Hrubec, J., Jeitler, M., König, A., Krätschmer, I., Liko, D., Matsushita, T., Mikulec, I., Rabady, D., Rad, N., Rahbaran, B., Rohringer, H., Schieck, J., Strauss, J., Waltenberger, W., Wulz, C.-E., Dvornikov, O., Makarenko, V., Zykunov, V., Mossolov, V., Shumeiko, N., Suarez Gonzalez, J., Alderweireldt, S., De Wolf, E. A., Janssen, X., Lauwers, J., Van De Klundert, M., Van Haevermaet, H., Van Mechelen, P., Van Remortel, N., Van Spilbeeck, A., Abu Zeid, S., Blekman, F., D’Hondt, J., Daci, N., De Bruyn, I., Deroover, K., Lowette, S., Moortgat, S., Moreels, L., Olbrechts, A., Python, Q., Tavernier, S., Van Doninck, W., Van Mulders, P., Van Parijs, I., Brun, H., Clerbaux, B., De Lentdecker, G., Delannoy, H., Fasanella, G., Favart, L., Goldouzian, R., Grebenyuk, A., Karapostoli, G., Lenzi, T., Léonard, A., Luetic, J., Maerschalk, T., Marinov, A., Randle-conde, A., Seva, T., Vander Velde, C., Vanlaer, P., Yonamine, R., Zenoni, F., Zhang, F., Cimmino, A., Cornelis, T., Dobur, D., Fagot, A., Garcia, G., Gul, M., Khvastunov, I., Poyraz, D., Salva, S., Schöfbeck, R., Sharma, A., Tytgat, M., Van Driessche, W., Yazgan, E., Zaganidis, N., Bakhshiansohi, H., Beluffi, C., Bondu, O.
Format:	Artikel
Sprache:	eng
Schlagworte:	Cross-sections High Energy Physics - Experiment Large Hadron Collider Leptons Luminosity Pair production Particle collisions Physics PHYSICS OF ELEMENTARY PARTICLES AND FIELDS Protons Quarks Solenoids Standard model (particle physics)
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Beschreibung
Zusammenfassung:	Differential and double-differential cross sections for the production of top quark pairs in proton-proton collisions at 13 TeV are measured as a function of jet multiplicity and of kinematic variables of the top quarks and the top quark-antiquark system. This analysis is based on data collected by the CMS experiment at the LHC corresponding to an integrated luminosity of 2.3 fb−1. The measurements are performed in the lepton+jets decay channels with a single muon or electron in the final state. The differential cross sections are presented at particle level, within a phase space close to the experimental acceptance, and at parton level in the full phase space. The results are compared to several standard model predictions.
ISSN:	2470-0010 2470-0029
DOI:	10.1103/PhysRevD.95.092001