Search for the standard model Higgs boson produced through vector boson fusion and decaying to b¯b
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Karapınar, Güler
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Abstract
A first search is reported for a standard model Higgs boson (H) that is produced through vector boson fusion and decays to a bottom-quark pair. Two data samples, corresponding to integrated luminosities of 19.8fb-1 and 18.3fb-1 of proton-proton collisions at s=8TeV were selected for this channel at the CERN LHC. The observed significance in these data samples for a H→bb¯ signal at a mass of 125 GeV is 2.2 standard deviations, while the expected significance is 0.8 standard deviations. The fitted signal strength μ=σ/σSM=2.8-1.4+1.6. The combination of this result with other CMS searches for the Higgs boson decaying to a b-quark pair yields a signal strength of 1.0±0.4, corresponding to a signal significance of 2.6 standard deviations for a Higgs boson mass of 125 GeV. © 2015 CERN.
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Keywords
Standard Model, ATLAS DETECTOR, bottom: particle identification, CMS collaboration ; proton-proton collisions ; Higgs boson ; vector boson fusion ; jet physics, Physics, Particles & Fields, High Energy Physics - Experiment, Higgs particle: hadroproduction, ЭБ БГУ::ТЕХНИЧЕСКИЕ И ПРИКЛАДНЫЕ НАУКИ. ОТРАСЛИ ЭКОНОМИКИ::Ядерная техника, High Energy Physics - Experiment (hep-ex), vector boson: fusion, [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, 8000 GeV-cms, [Anahtar Kelime Yok], CMS, Nuclear and High Energy Physics; Symmetries, Physics, Higgs particle --> bottom anti-bottom, ddc:530, ATLAS DETECTOR; LHC; SYMMETRIES; PHYSICS; MASS, 001, bottom [jet], Nuclear & Particles Physics, CERN LHC Coll, Higgs particle: mass, Physical Sciences, Physique des particules élémentaires, SYMMETRIES, PARTICLE PHYSICS, particle identification [bottom], Lhc, LHC, colliding beams [p p], jet: bottom, physics, Particle Physics - Experiment, Atlas Detector, Symmetries, Nuclear and High Energy Physics, p p: scattering, CERN Lab, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], 530 Physics, cms, Atlas detector, Particles & Fields, FOS: Physical sciences, 10192 Physics Institute, Fizik, Astronomy & Astrophysics, MASS, fusion [vector boson], 530, Proton-proton collisions, PHYSICS, 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics, Nuclear, Higgs particle --> bottom anti-bottom, 3106 Nuclear and High Energy Physics, High energy physics, CMS,LHC,Higgs, SYMMETRIES, PHYSICS, MASS, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, 0206 Quantum Physics, Science & Technology, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, FISICA DELLE PARTICELLE, Molecular, Física, mass [Higgs particle], Mass, LARGE HADRON COLLIDER, 0201 Astronomical And Space Sciences, Physics and Astronomy, QC Physics / fizika, hadronic decay [Higgs particle], Higgs particle: hadronic decay, 0202 Atomic, Particle And Plasma Physics, hadroproduction [Higgs particle], Experimental particle physics, p p: colliding beams, Higgs, experimental results
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