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
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Karapınar, Güler
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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 fb-1 of proton-proton collisions at s=7 TeV and 19.7 fb-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.
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Large Hadron Collider (LHC), Compact Muon Solenoid, Compact Muon Solenoid, Physics and Astronomy (miscellaneous), W: transverse momentum, W: leptonic decay, jet: transverse momentum, Large Hadron Collider (LHC), 7000 GeV-cms8000 GeV-cms, transverse momentum dependence, Physics, Particles & Fields, High Energy Physics - Experiment, top: decay, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], info:eu-repo/classification/ddc/530, [Anahtar Kelime Yok], CMS, Physics, transverse energy: missing-energy, 001, Nuclear & Particles Physics, CERN LHC Coll, kinematics, Physical Sciences, Physique des particules élémentaires, High energy physics, Experimental particle physics, LHC, CMS, Standard Model, PARTICLE PHYSICS, top: pair production, Nuclear and High Energy Physics, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Particles & Fields, final state: ((n)jet lepton), FOS: Physical sciences, Fizik, Astronomy & Astrophysics, 530, energy dependence, differential cross section: measured, 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics, Nuclear, 0206 Quantum Physics, Science & Technology, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, hep-ex, FISICA DELLE PARTICELLE, 500, Molecular, LARGE HADRON COLLIDER, 0201 Astronomical And Space Sciences, Physics and Astronomy, QC Physics / fizika, 0202 Atomic, Particle And Plasma Physics, p p: colliding beams, experimental results
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01 natural sciences, 06 humanities and the arts, 0103 physical sciences, 0105 earth and related environmental sciences, 0604 arts
Citation
Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T.,...CMS Collaboration (2016). 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. Physical Review D, 94(5). doi:10.1103/PhysRevD.94.052006
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94
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5
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