Study of the Dijet Mass Spectrum in Pp›w+jets Events at ?s=7 Tev
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Karapınar, Güler
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Abstract
We report an investigation of the invariant mass spectrum of the two jets with highest transverse momentum in pp→W+2-jet and W+3-jet events to look for resonant enhancement. The data sample corresponds to an integrated luminosity of 5.0 fb-1 collected with the CMS detector at √s=7 TeV. We find no evidence for the anomalous structure reported by the CDF Collaboration, and establish an upper limit of 5.0 pb at 95% confidence level on the production cross section for a generic Gaussian signal with mass near 150 GeV. Additionally, we exclude two theoretical models that predict a CDF-like dijet resonance near 150 GeV. © 2012 CERN.
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Keywords
Tellurium compounds, Mass spectrometry, Upper limits, Gaussian signals, Resonant enhancements, 550, cms, 530, PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS, Tellurium compounds, Physics and Astronomy (all), Resonant enhancements, Gaussian signals, Boson, info:eu-repo/classification/ddc/530, Fisica delle particelle, [Anahtar Kelime Yok], info:eu-repo/classification/ddc/550, Mass spectrometry, HEP; CMS; LHC, CMS, Physics, ddc:530, high energy collider; LHC; CMS; Higgs, Física, BOSON, 001, LARGE HADRON COLLIDER, Upper limits, Physique des particules élémentaires, PARTICLE PHYSICS, LHC
Fields of Science
01 natural sciences, 0103 physical sciences
Citation
Chatrchyan, S, Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Aguilo, E., Bergauer, T., ...CMS Collaboration (2012). Study of the dijet mass spectrum in pp→W+jets events at √s=7 TeV. Physical Review Letters, 109(25). doi:10.1103/PhysRevLett.109.251801
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109
Issue
25
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