QCD relations between structure functions at small x
G. Parente, A. V. Kotikov
Abstract
We present very simple non-integral relations between deep inelastic structure functions FL, F2 and the gluon distribution at small x based on perturbative QCD which are useful for the phenomenological analysis of data at low x. As an application we extract the deep inelastic scattering cross-sections ratio R= σL/σT in the range 10-4 ≤ x ≤ 10-2 from F2 HERA data.
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