QCD and Weak Boson Physics in Run II
نویسندگان
چکیده
We describe preliminary results from an effort to quan-tify the uncertainties in parton distribution functionsand the resulting uncertainties in predicted physicalquantities. The production cross section of the Wboson is given as a first example. Constraints due tothe full data sets of the CTEQ global analysis are usedin this study. Two complementary approaches, basedon the Hessian and the Lagrange multiplier methodrespectively, are outlined. We discuss issues on ob-taining meaningful uncertainty estimates that includethe effect of correlated experimental systematic uncer-tainties and illustrate them with detailed calculationsusing one set of precision DIS data.
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