PDF uncertainties: A strong test of goodness of fit to multiple data sets

Abstract

We present a new criterion for the goodness of global fits. It involves an exploration of the variation of \chi^2 for subsets of data.

Comments: 4 pages, 1 figure. To appear in Proceedings of 9th International Workshop on Deep Inelastic Scattering and QCD (DIS 2001), Bologna, Italy, 27 Apr-1 May 2001