The Ratio of Jet Cross Sections at s**(1/2)=630 GeV and 1800 GeV

Abstract

The DO Collaboration has measured the inclusive jet cross section in proton-antiproton collisions at s**2 = 630 GeV. The results for pseudorapidities -0.5 to 0.5 are combined with our previous results at s**2 = 1800 GeV to form a ratio of cross sections with smaller uncertainties than either individual measurement. Next-to-leading-order QCD predictions show excellent agreement with the measurement at 630 GeV; agreement is also satisfactory for the ratio. Specifically, despite a 10% to 15% difference in the absolute normalization, the dependence of the ratio on jet transverse momentum is very similar for data and theory.

11 pages, 3 figures, 2 tables Note on V2: addressed PRL review comments with small wording changes. Note on V3: revised Figs. 2 and 3 with larger fonts and darker shading

Cited by in corpus (7)

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• The Underlying Event in Hard Interactions at the Tevatron pbarp Collider
• High-p_T Jets in pbarp Collisions at sqrt{s} = 630 and 1800 GeV
• Charged jet cross sections and properties in proton-proton collisions at $\sqrt{s}=7$ TeV
• Scaling violations and determination of alpha_s from jet production in gamma-p interactions at HERA
• Measurement of inclusive jet cross sections in photoproduction at HERA
• High Energy Photoproduction