High-$p_T$ Jets in $\bar{p}p$ Collisions at $\sqrt{s} = 630$ GeV and 1800 GeV

Results are presented from analyses of jet data produced in pbarp collisions at sqrt{s} = 630 and 1800 GeV collected with the DO detector during the 1994-95 Fermilab Tevatron Collider run. We discuss details of detector calibration, and jet selection criteria in measurements of various jet production cross sections at sqrt{s} = 630 and 1800 GeV. The inclusive jet cross sections, the dijet mass spectrum, the dijet angular distributions, and the ratio of inclusive jet cross sections at sqrt{s} = 630 and 1800 GeV are compared to next-to-leading-order QCD predictions. The order alpha_s^3 calculations are in good agreement with the data. We also use the data at sqrt{s} = 1800 GeV to rule out models of quark compositeness with a contact interaction scale less than 2.2 TeV at the 95% confidence level.

Note:

158 pages, 105 figures, submitted to Phys. Rev. D. Corrected missing citation on page 137 (should be [55]) Report-no: Fermilab-Pub-00/216-E

D0
anti-p p: colliding beams
anti-p p: inclusive reaction
jet: hadroproduction
jet: particle identification
transverse momentum: high
quantum chromodynamics: perturbation theory
channel cross section: ratio
angular distribution: (2jet)
mass spectrum: (2jet)

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