N^3LO fits to xF_3 data : ${\alpha }_s$ vs 1/Q^2 contributions

A. L. Kataev, G. Parente, A. V. Sidorov

The results of approximate N$^$3LO and detailed NNLO fits to $x{F}_3$ data of the CCFR'97 collaboration are presented. We demonstrate that $1/Q^2$ non-perturbative corrections to $xF…