Search for Light Bosons in Decays of the 125 Gev Higgs Boson in Proton-Proton Collisions at ?s=8 Tev
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Karapınar, Güler
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Abstract
A search is presented for decays beyond the standard model of the 125 GeV Higgs bosons to a pair of light bosons, based on models with extended scalar sectors. Light boson masses between 5 and 62.5 GeV are probed in final states containing four τ leptons, two muons and two b quarks, or two muons and two τ leptons. The results are from data in proton-proton collisions corresponding to an integrated luminosity of 19.7 fb−1, accumulated by the CMS experiment at the LHC at a center-of-mass energy of 8 TeV. No evidence for such exotic decays is found in the data. Upper limits are set on the product of the cross section and branching fraction for several signal processes. The results are also compared to predictions of two-Higgs-doublet models, including those with an additional scalar singlet.
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Keywords
Large Hadron Collider (LHC), Compact Muon Solenoid, Hadron-Hadron scattering (experiments), Higgs physics, Supersymmetry., Compact Muon Solenoid, Standard Model, bottom: particle identification, QC770-798, singlet: scalar, Large Hadron Collider (LHC), Physics, Particles & Fields, High Energy Physics - Experiment, Hadron-Hadron scattering (experiments); Higgs physics; Supersymmetry; SYMMETRY-BREAKING; CP CONSERVATION; STANDARD MODEL; MASS; LHC; PSEUDOPARTICLES; PAIR; WEAK, SYMMETRY-BREAKING, High Energy Physics - Experiment (hep-ex), Hadron-Hadron scattering (experiments), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Hadron-Hadron scattering (experiments); Higgs physics; Supersymmetry, info:eu-repo/classification/ddc/530, 8000 GeV-cms, 02 Physical Sciences, tau: pair production, CMS, Physics, ddc:530, Higgs physics, Higgs particle: rare decay, 001, Nuclear & Particles Physics, Hadron-Hadron scattering (experiments); Higgs physics; Supersymmetry; Nuclear and High Energy Physics, muon: pair production, Hadron-Hadron Scattering (Experiments), CERN LHC Coll, Q1 Science (General) / természettudomány általában, Higgs particle: mass, Physical Sciences, Physique des particules élémentaires, High energy physics, Experimental particle physics, LHC, CMS, Standard Model, PARTICLE PHYSICS, LHC, decay: exotic, Nuclear and High Energy Physics, p p: scattering, Higgs Physics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Hadron-Hadron scattering (experiments); Higgs physics; Supersymmetry;, bottom: 2, Particles & Fields, STANDARD MODEL, FOS: Physical sciences, bottom: pair production, MASS, 530, PSEUDOPARTICLES, Higgs particle: doublet, Hadron-Hadron scattering (experiments); Higgs physics; Supersymmetry; Nuclear and High Energy Physics; LHC; CMS, PAIR, Nuclear and particle physics. Atomic energy. Radioactivity, High energy physics, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, CP CONSERVATION, 01 Mathematical Sciences, Science & Technology, hep-ex, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, Higgs physic, cross section: branching ratio: upper limit, LARGE HADRON COLLIDER, Physics and Astronomy, Supersymmetry ArXiv ePrint: 170102032, Supersymmetry, WEAK, Experimental particle physics, 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
Citation
Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Asilar, E., Bergauer,T., Brandstetter, J.,...CMS Collaboration (2017). Search for light bosons in decays of the 125 GeV Higgs boson in proton-proton collisions at √s=8 TeV. Journal of High Energy Physics, 2017(10). doi:10.1007/JHEP10(2017)076
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2017
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10
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