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

By T. Aaltonen, et al. 2008

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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 vertical bar y vertical bar < 1. These limits are used to determine the mass exclusions for the excited quark, axigluon, flavor-universal coloron, E-6 diquark, color-octet techni-rho, W', and Z'.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/4f32dd5cac64c8f92c95a420208d1704fa0641b8

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