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Scientific article
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English

Search for new particles decaying into dijets in proton-antiproton collisions at √s=1.96  TeV

ContributorsCDF Collaboration
Publication date2009
Abstract

We present a search for new particles which produce narrow two-jet (dijet) resonances using proton-antiproton collision data corresponding to an integrated luminosity of 1.13  fb−1 collected with the CDF II detector. The measured dijet mass spectrum is found to be consistent with next-to-leading-order perturbative QCD predictions, and no significant evidence of new particles is found. We set upper limits at the 95% confidence level on cross sections times the branching fraction for the production of new particles decaying into dijets with both jets having a rapidity magnitude |y|<1. These limits are used to determine the mass exclusions for the excited quark, axigluon, flavor-universal coloron, E6 diquark, color-octet techni-ρ, W′, and Z′.

Citation (ISO format)
CDF Collaboration. Search for new particles decaying into dijets in proton-antiproton collisions at √s=1.96  TeV. In: Physical review. D. Particles, fields, gravitation, and cosmology, 2009, vol. 79, n° 11, p. 112007. doi: 10.1103/PhysRevD.79.112002
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accessLevelPublic
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ISSN of the journal1550-2368
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