Abstract
We present a complete order α 2 s calculation of the large logarithmic terms of the type lni(1−x)/(1−x) (x=Q 2/s), which appear in the Wilson coefficient of the total and differential DY cross-sections. These terms are computed using renormalizationgroup methods. It is shown that besides the well known constant part, they constitute the bulk of the radiative correction. This in particular holds for the higher τ-region which is still accessible to experiment. The large logarithmic corrections determine the shape of theK-factor and give a partial explanation of the phenomenon of anomalous scaling.
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Matsuura, T., van Neerven, W.L. Second order logarithmic corrections to the Drell-Yan cross-section. Z. Phys. C - Particles and Fields 38, 623–642 (1988). https://doi.org/10.1007/BF01624369
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DOI: https://doi.org/10.1007/BF01624369