Renormalization Scheme Consistent Structure Functions, Including Leading ln (1/x) Terms

Details Renormalization Scheme Consistent Structure Functions, Including Leading ln (1/x) Terms Renormalization Scheme Consistent Structure Functions, Including Leading ln (1/x) Terms

1996-10-11

arxiv.org/abs/hep-ph/9610334v2

Phys.Lett. B392 (1997) 463-474

Physics

High Energy Physics

High Energy Physics - Phenomenology

Tex file, including modification of Harvmac, 17 pages plus 2 figures in .ps files. Version to appear in Physics Letters B. Onl

Scientific paper

10.1016/S0370-2693(96)01589-4

We present calculations of structure functions using a renormalization scheme consistent expansion which is leading order in both ln(1/x) and \alpha_s(Q^2). There is no factorization scheme dependence, and the ``physical anomalous dimensions'' of Catani naturally appear. A relationship between the small x forms of the inputs F_2(x,Q_0^2) and F_L(x,Q_0^2) is predicted. Analysis of a very wide range of data for F_2(x,Q^2) is performed, and a very good global fit obtained. The prediction for F_L(x,Q^2) produced using this method is smaller than the usual NLO in \alpha_s(Q^2) predictions for F_L(x,Q^2), and different in shape.

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