Central and Forward Inclusive Jets at the Tevatron

Details Central and Forward Inclusive Jets at the Tevatron Central and Forward Inclusive Jets at the Tevatron

2000-05-17

arxiv.org/abs/hep-ex/0005026v1

Physics

High Energy Physics

High Energy Physics - Experiment

Invited talk at the XXXVth Rencontres de Moriond, QCD & High Energy Hadronic Interactions, March 18-25, 2000, Les Arcs 1800, S

Scientific paper

We report on a new measurement of the rapidity dependence of the inclusive jet production cross section in pbar p collisions at sqrt(s)=1.8 TeV using 92 pb^-1 of data collected by the DZero detector at the Tevatron collider. The differential cross sections, d^2sigma/(dEt deta), are presented as a function of jet transverse energy (Et) in five pseudorapidity (eta) intervals, up to |eta|=3, significantly extending previous CDF and DZero measurements beyond |eta|=0.7. The extended range of the measurement should provide greater discrimination among different parton distribution functions. We also discuss previous measurements of the inclusive jet cross sections made by the two collider experiments at central pseudorapidities up to |eta|=0.7. Finally, we present recent measurements from the CDF and DZero experiments of the ratio of central inclusive cross sections from two center-of-mass energies, 0.63 TeV and 1.8 TeV, as a function of jet Xt. Experimental results are compared to next-to-leading order QCD predictions.

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