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Ratio of jet cross sections at root s=630 GeV and 1800 GeV
Baringer, Philip S. Bean, Alice Coppage, Don Hebert, C.
Baringer, Philip S.
Bean, Alice
Coppage, Don
Hebert, C.
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Abstract
The DO Collaboration has measured the inclusive jet cross section in (p) over barp collisions at roots = 630 GeV. The results for pseudorapidities \ eta \ < 0.5 are combined with our previous results at roots = 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 magnitude, the dependence of the ratio on jet transverse momentum is very similar for data and theory.
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2001-03
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AMERICAN PHYSICAL SOC
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Abbott, B; Abolins, M, et al. Ratio of jet cross sections at root s=630 GeV and 1800 GeV. PHYSICAL REVIEW LETTERS. March 2001. 86(12) : 2523-2528