Measurement of the Production Cross Section of a W Boson in Association With Two B Jets in Pp Collisions at √s=8tev
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Abstract
The production cross section of a W boson in association with two b jets is measured using a sample of proton–proton collisions at s=8TeV collected by the CMS experiment at the CERN LHC. The data sample corresponds to an integrated luminosity of 19.8fb-1. The W bosons are reconstructed via their leptonic decays, W → ℓν, where ℓ= μ or e. The fiducial region studied contains exactly one lepton with transverse momentum pTℓ>30GeV and pseudorapidity | ηℓ| < 2.1 , with exactly two b jets with pT>25GeV and | η| < 2.4 and no other jets with pT>25GeV and | η| < 4.7. The cross section is measured to be σ(p p → W (ℓν) +bb¯)=0.64±0.03(stat)±0.10(syst)±0.06(theo)±0.02(lumi)pb, in agreement with standard model predictions. © 2017, CERN for the benefit of the CMS collaboration.
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[No Keyword Available], Regular Article - Experimental Physics, Physics and Astronomy (miscellaneous), standard model, W: leptonic decay, Atomic, 510, Physics, Particles & Fields, high energy physics, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Particle and Plasma Physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], info:eu-repo/classification/ddc/530, 8000 GeV-cms, Quantum Physics, [Anahtar Kelime Yok], CMS, Physics, ddc:530, Particle and High Energy Physics, Histoire contemporaine [depuis 1914], lepton: transverse momentum, 320, Nuclear and Plasma Physics, Nuclear & Particles Physics, CERN LHC Coll, Q1 Science (General) / természettudomány általában, Particle and high energy physics, Physical Sciences, CMS Collaboration, Physique des particules élémentaires, PARTICLE PHYSICS, Lhc, LHC, W: associated production, jet: bottom, channel cross section: measured, p p: scattering, CERN Lab, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Particles & Fields, jet: associated production, final state: ((n)jet lepton), FOS: Physical sciences, bottom: pair production, Fizik, 530, High Energy Physics - Experiment; High Energy Physics - Experiment; Engineering (miscellaneous); Physics and Astronomy (miscellaneous) - LHC, CMS, lepton: rapidity, 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics, Nuclear, molecular and optical physics, Engineering (miscellaneous); Physics and Astronomy (miscellaneous), ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, 0206 Quantum Physics, Engineering (miscellaneous), Collisions; Jets; Bosons, experimental particle physics, Science & Technology, hep-ex, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, 500, Molecular, high energy physics ; experimental particle physics ; LHC ; CMS ; standard model, LARGE HADRON COLLIDER, Physics and Astronomy, 0202 Atomic, Particle And Plasma Physics, Astronomical sciences, 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
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77
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2
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