Measurement of the W Gamma Production Cross Ssection in Proton-Proton Collisions at Root S=13 Tev and Constraints on Effective Field Theory Coefficients
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Karapınar, Güler
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Abstract
A fiducial cross section for W gamma production in proton-proton collisions is measured at a center-of-mass energy of 13 TeV in 137 fb(-1) of data collected using the CMS detector at the LHC. The W -> e nu and mu nu decay modes are used in a maximum-likelihood fit to the lepton-photon invariant mass distribution to extract the combined cross section. The measured cross section is compared with theoretical expectations at next-to-leading order in quantum chromodynamics. In addition, 95% confidence level intervals are reported for anomalous triple-gauge couplings within the framework of effective field theory.
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Proton–proton collisions, top: single production, 13000 GeV-cms, S043A00, Effective field theory; Perturbative QCD; W & Z bosons; Hadron colliders; Particles & Fields, CMS;, W: leptonic decay, Mathematical Sciences, 09 Engineering, high energy physics, High Energy Physics - Experiment, mass spectrum, Engineering, effective field theory, Hadron-Hadron scattering (experiments), High Energy Physics Experiments; CMS; Standard Model; Wgamma production cross section, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], P & Z bosons, Gauge Couplings, tracking detector, Quantum Chromodynamics, Invariant Mass Distribution, LHC, CMS, pp interactions, info:eu-repo/classification/ddc/530, Confidence Levels, A-center; Center-of-mass energies; Centre-of-mass energies; CMS detectors; Decay mode; Effective field theory; Maximum-likelihood; Measurements of; Production cross section; Proton proton collisions; Quantum theory; Tellurium compounds, Wgamma, radiation: damage, 02 Physical Sciences, hadron colliders, vector boson: pair production, CMS, Physics, ddc:530, Next-to-Leading Orders, perturbation theory: higher-order, higher-order: 1, Particle and High Energy Physics, Nuclear and Plasma Physics, Si microstrip and pad detectors, LHC CMS, Physical sciences, CERN LHC Coll, Top physics, Particle tracking detectors (Solid-state detectors), High energy physics ; Experimental particle physics ; LHC ; CMS ; Radiation-hard detectors ; Si microstrip and pad detectors ; Radiation damage to detector materials (solid state) ; Particle tracking detectors (Solid-state detectors) ; radiation: damage ; CMS: upgrade ; tracking detector ; semiconductor detector: design ; semiconductor detector: microstrip ; performance ; Hadron-Hadron scattering (experiments) ; Top physics ; p p: scattering ; p p: colliding beams ; top: single production, Physical Sciences, CMS Collaboration, semiconductor detector: microstrip, PARTICLE PHYSICS, gauge boson: coupling, LHC, W: associated production, channel cross section: measured, performance, Radiation-hard detectors, General Physics, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Mathematical sciences, coupling constant: upper limit, Production Cross Section, 530, decay modes, quantum chromodynamics, coupling: (3gauge boson), TeV, perturbative QCDW, High energy physics, quantum chromodynamics: perturbation theory, coupling: anomaly, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, 01 Mathematical Sciences, Radiation damage to detector materials (solid state), mass spectrum: (lepton photon), PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, hep-ex, Física, cross section: measured, LARGE HADRON COLLIDER, photon: associated production, * Automatic Keywords *, Physics and Astronomy, Proton Proton Collisions, Effective Field Theory, Experimental particle physics, p p: colliding beams, Hadron - hadron collision, CMS: upgrade, semiconductor detector: design, experimental results
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01 natural sciences, 0103 physical sciences
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