The Rise of the Proton Structure Function F2 Towards Low x
Joerg Gayler
Abstract
Results on the derivative of log(F2) with respect to log(x) at fixed Q2 are presented. The measured derivatives are within errors independent of x for Q2 >= 0.85 GeV2 and increase linearly with log(Q2) for 0.0001 <= x <= 0.01 and Q2 >= 3 GeV2. The results are based on preliminary and published H1 data which at Q2 below 2 GeV2 are combined with NMC and ZEUS data.
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