Measurement of the differential cross sections for top quark pair production as a function of kinematic event variables in pp collisions at √s = 7 and 8 TeV
Author(s)
Apyan, Aram; Barbieri, Richard Alexander; Baty, Austin Alan; Bierwagen, Katharina; Brandt, Stephanie Akemi; Busza, Wit; Cali, Ivan Amos; Demiragli, Zeynep; Di Matteo, Leonardo; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Gulhan, Doga Can; Iiyama, Yutaro; Innocenti, Gian Michele; Klute, Markus; Kovalskyi, Dmytro; Lai, Yue Shi; Lee, Yen-Jie; Levin, Andrew Michael; Luckey Jr, P David; Marini, Andrea Carlo; McGinn, Christopher Francis; Mironov, Camelia Maria; Niu, Xinmei; Paus, Christoph M. E.; Ralph, Duncan Kelley; Roland, Christof E; Roland, Gunther M; Salfeld-Nebgen, Jakob Maxillian Henry; Stephans, George S. F.; Sumorok, Konstanty C; Varma, Mukund Madhav; Velicanu, Dragos Alexandru; Veverka, Jan; Wang, J.; Wang, Ta-Wei; Wyslouch, Boleslaw; Yang, Mingming; Wyslouch, Victoria; ... Show more Show less
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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 (p[subscript T]); the scalar sum of the p[subscript T] of all objects in the event; and the p[subscript T] of leptonically decaying W
bosons from top quark decays. The data sample, collected using the CMS detector at the LHC, consists of 5.0 fb[superscript −1] of proton-proton collisions at √s = 7 TeV and 19.7 fb [superscript −1] at √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.
Date issued
2016-09Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Physical Review D
Publisher
American Physical Society
Citation
Khachatryan, V. et al. “Measurement of the Differential Cross Sections for Top Quark Pair Production as a Function of Kinematic Event Variables in P P Collisions at S = 7 and 8 TeV.” Physical Review D 94.5 (2016): n. pag. © 2016 CERN for the CMS Collaboration
Version: Final published version
ISSN
2470-0010
2470-0029