Inclusive jet cross sections in pbar p collisions at 630 and 1800 GeV
We have made a precise measurement of the inclusive jet cross section at {radical}s=1800 GeV. The result is based on an integrated luminosity of 92 pb-1 collected at the Fermilab Tevatron {anti p}p Collider with the D0 detector. The measurement is reported as a function of jet transverse energy (60 GeV {<=} ET {<=} 500 GeV ), and in the pseudo- rapidity intervals |{eta}| {<=} 0.5 and 0.1 {<=} |{eta}| {<=} 0.7. A preliminary measurement of the pseudorapidity dependence of inclusive jet production ( |{eta}| {<=} 1.5 ) is also discussed. The results are in good agreement with predictions from next-to-leading order (NLO) quantum chromodynamics (QCD). D0 has also determined the ratio of jet cross sections at {radical}s=630 GeV and {radical}s=1800 GeV ( |{eta}| {<=} 0.5). This preliminary measurement differs from NLO QCD predictions.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 10499
- Report Number(s):
- FERMILAB-Conf-99/167-E; ON: DE00010499
- Resource Relation:
- Conference: International Workshop on Deep Inelastic Scattering and QCD, Zeuthen, Germany, April 19-23, 1999
- Country of Publication:
- United States
- Language:
- English
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