Parametrisation of F

Abstract

A parametrisation of the real photon structure function F γ 2 in the low Q 2, low x region is formulated. It includes both the VMD and the QCD components, the latter suitably extrapolated to the low Q2 region and based on arbitrary parton distributions in the photon. The parametrisation used together with the GRV and GRS’ parton densities describes… (More)

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