Experimental results on diffraction at CDF

Abstract

Diffractive events are studied by means of identification of one or more rapidity gaps and/or a leading antiproton. Measurements of soft and hard diffractive processes have been performed at the Tevatron $p\bar{p}$ collider and presented. We report on the diffractive structure function obtained from dijet production in the range $0<Q^2<10,000$GeV${}^2$, and on the $|t|$ distribution in the region $0<|t|<1$GeV${}^2$ for both soft and hard diffractive events up to $Q^2\approx 4,500$GeV${}^2$. Results on single diffractive W/Z production, forward jets, and central exclusive production of both dijets and Z-bosons are also presented.

arXiv comment7 pages, 4 figures. Presented at the workshop on "Forward physics at the LHC", Biodola, May 27-29, 2010

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• Observation of Exclusive Electron-Positron Production in Hadron-Hadron Collisions
• Observation of Exclusive Dijet Production at the Fermilab Tevatron p-pbar Collider
• Diffractive W and Z Production at the Fermilab Tevatron
• Diffractive and exclusive measurements at CDF