Leading ln(1/x) and Heavy Quark Corrections in Structure Functions

Details Leading ln(1/x) and Heavy Quark Corrections in Structure Functions Leading ln(1/x) and Heavy Quark Corrections in Structure Functions

1998-05-12

arxiv.org/abs/hep-ph/9805299v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4pages, Latex, 2 postscript figures. Contribution to International Workshop on Deep Inelastic Scattering and QCD, DIS98, Bruss

Scientific paper

I present a calculation of structure functions at leading order which includes an unambiguous inclusion of the leading ln(1/x) terms for each power of alpha_s, and also the correct effects due to the mass of the charm and bottom quarks. I compare the results of fits to data to those obtained using conventional NLO in alpha_s calculations, noting a clear preference for my approach, especially at small x. The predictions for both the charm structure function and F_L(x,Q^2) using the two approaches are compared, the latter being much more discriminating.

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