The QCD analysis of the $xF_3$ structure function measured in deep-inelastic scattering of neutrinos and antineutrinos on an iron target at the Fermilab Tevatron is done in 1--, 2-- and 3--loop order of QCD. The x dependence of the higher--twist contributi
Figurecaptions.
Fig.1.Higher–twistcontributionsfromLO tandthetheoreticalpredictionforh(x)from[3].
Fig.2.Higher–twistcontributionsfromNLO t.
Fig.3.Higher–twistcontributionsfromNNLO t.