Study of Final-State Radiation in Decays of Z Bosons Produced in Pp Collisions at 7 Tev
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Karapınar, Güler
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HYBRID
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Yes
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Abstract
The differential cross sections for the production of photons in Z -> mu(+)mu(-)gamma decays are presented as a function of the transverse energy of the photon and its separation from the nearest muon. The data for these measurements are collected with the CMS detector and correspond to an integrated luminosity of 4.7 fb(-1) of pp collisions at root s = 7 TeV delivered by the CERN LHC. The cross sections are compared to simulations with POWHEG and PYTHIA, where PYTHIA is used to simulate parton showers and final- state photons. These simulations match the data to better than 5%. ffiffiffi
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Keywords
Standard Model, showers [parton], Muon, transverse energy [photon], Physics, Particles & Fields, High Energy Physics - Experiment, COLLIDER, High Energy Physics - Experiment (hep-ex), Z0 --> muon+ muon-, final-state interaction [radiation], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], scattering [p p], info:eu-repo/classification/ddc/530, High energy physics ; Experimental particle physics ; LHC ; CMS ; Standard Model, photon: transverse energy, [Anahtar Kelime Yok], CMS, Physics, ddc:530, Monte Carlo [numerical calculations], dimuon: mass spectrum, 320, Nuclear & Particles Physics, radiation: final-state interaction, CERN LHC Coll, 7000 GeV-cms, CMS Collaboration, Physical Sciences, PYTHIA, Physique des particules élémentaires, PARTICLE PHYSICS, mass spectrum [dimuon], LHC, colliding beams [p p], numerical calculations: Monte Carlo, Production of photons, Particle Physics - Experiment, P P COLLISIONS, Nuclear and High Energy Physics, p p: scattering, p p --> Z0 photon anything, P P COLLISIONS; LHC; CMS DETECTOR; Z BOSON PRODUCTION, Z BOSON DECAYS, CERN Lab, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Z BOSON PRODUCTION, Particles & Fields, FOS: Physical sciences, P P COLLISIONS; LHC; CMS DETECTOR; Z BOSON PRODUCTION; Z BOSON DECAYS, Fizik, Astronomy & Astrophysics, 530, parton: showers, differential cross section: measured, Z0 --> muon+ muon-, Z BOSON DECAYS, 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics, measured [differential cross section], Collider; CMS detector; photons, Nuclear, Transverse energy of the photon, High energy physics, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, 0206 Quantum Physics, Science & Technology, CMS collaboration ; proton-proton collisions ; QCD ; Z bosons ; final state radiation, hep-ex, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, FISICA DELLE PARTICELLE, 500, Molecular, Física, leptonic decay [Z0], LARGE HADRON COLLIDER, Z→μ+μ-γ decays, 0201 Astronomical And Space Sciences, Physics and Astronomy, QC Physics / fizika, 0202 Atomic, Particle And Plasma Physics, Z0: leptonic decay, p p --> Z0 photon anything, Differential cross sections, Experimental particle physics, p p: colliding beams, CMS DETECTOR, Collider, 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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91
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9
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