Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-03-08
Eur.Phys.J.C12:375-392,2000
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages in 2up format, 21 figures; This is the version to appear in publication (to appear in Eur. Phys. J. C): minor text mo
Scientific paper
10.1007/s100529900196
An up-to-date global QCD analysis of high energy lepton-hadron and hadron-hadron interactions is performed to better determine the gluon and quark parton distributions in the nucleon. Improved experimental data on inclusive jet production, in conjunction with precise deep inelastic scattering data, place good constraints on the gluon over a wide range of x; while new data on asymmetries in Drell-Yan processes contribute to better determine the d/u ratio. Comparisons with results of other recent global analyses are made, and the differences are described. Open issues and the general problem of determining the uncertainties of parton distributions are discussed.
Huston Joey
Kuhlmann Salma
Lai Hung-Liang
Morfín J.
Olness Fred
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