Abstract
Recent data from deep inelastic scattering experiments atx≳10−2 are used to fix the parton distributions down tox⋟10−4 andQ 2⋟0.3 GeV2. The predicted extrapolations are uniquely determined by the requirement of avalence-like structure ofall parton distributions at some low resolution scale and are furthermore shown to be insensitive in the small-x region, 10−4≲x≦10−2, to the detailed experimental input at the presently accessiblex>10−2. Simple parameterizations of the resulting parton distributions are presented in the range 10−5≲x<1 and 0.3≲Q 2≲108 GeV2 as obtained from the leading- and higher-order evolution equations.
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Glück, M., Reya, E. & Vogt, A. Parton distributions for high energy collisions. Z. Phys. C - Particles and Fields 53, 127–134 (1992). https://doi.org/10.1007/BF01483880
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DOI: https://doi.org/10.1007/BF01483880