Probing Color Coherence Effects in Pp Collisions at ?s=7 Tev
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Karapınar, Güler
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GOLD
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Yes
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38
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Abstract
A study of color coherence effects in pp collisions at a center-of-mass energy of 7 is presented. The data used in the analysis were collected in 2010 with the CMS detector at the LHC and correspond to an integrated luminosity of 36 pb. Events are selected that contain at least three jets and where the two jets with the largest transverse momentum exhibit a back-to-back topology. The measured angular correlation between the second- and third-leading jet is shown to be sensitive to color coherence effects, and is compared to the predictions of Monte Carlo models with various implementations of color coherence. None of the models describe the data satisfactorily.
Description
Keywords
550, Physics and Astronomy (miscellaneous), P(P)OVER-BAR COLLISIONS, effect [coherence], 3-jet events, jet: transverse momentum, pp, transverse momentum [jet], PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS, High Energy Physics - Experiment, rapidity dependence, High Energy Physics - Experiment (hep-ex), Gluon interference, Models, jet: multiple production, CERN, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], scattering [p p], Parton fragmentation, color: coherence, info:eu-repo/classification/ddc/530, Fisica delle particelle, P(P)over-bar collisions, Monte Carlo, [Anahtar Kelime Yok], Radiation, CMS, Physics, ddc:530, E+E-ANNIHILATION, CERN LHC Coll, CERN; CMS; pp; 7 TeV; Color coherence, 7000 GeV-cms, Physique des particules élémentaires, LHC; CMS; HEP, PARTICLE PHYSICS, pp collisions, physics, Particle Physics - Experiment, Simulation, p p: scattering, multiple production [jet], Showers, Regular Article - Experimental Physics, angular correlation [dijet], cms, MODELS, FOS: Physical sciences, 530, coherence: effect, E+E-annihilation, E+E-ANNIHILATION; P(P)OVER-BAR COLLISIONS; PARTON FRAGMENTATION; GLUON INTERFERENCE; 3-JET EVENTS; SIMULATION; RADIATION; SHOWERS; PHYSICS; MODELS, 7 TeV, Engineering (miscellaneous); Physics and Astronomy (miscellaneous), Engineering (miscellaneous), Physics and Astronomy (miscellaneous); Engineering (miscellaneous), Color coherence, PARTON FRAGMENTATION, LARGE HADRON COLLIDER, QC Physics / fizika, coherence [color], dijet: angular correlation, GLUON, Color coherence effects, 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
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Volume
74
Issue
6
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