Abstract

We perform next-to-leading order global analyses of deep inelastic and related data for different fixed values of α S ( M Z 2). We present sets of parton distributions for six values of α S in the range 0.105 to 0.130. We display the (x, Q 2) domains with the largest parton uncertainty and we discuss how forthcoming data may be able to improve the determination of the parton densities.

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