TESTS OF PERTURBATIVE QCD USING CCFR DATA FOR MEASUREMENTS OF NUCLEONSTRUCTURE FUNCTIONS

We present measurements of nucleon structure functions, F2(x, Q2) and xF3(x, Q2), from the high-statistics, high-energy neutrino-iron scatte ring experiment at the Fermilab Tevatron. The existing high-statistics xF3 determination by the CDHSW collaboration is compared to our data. The data presented here constitute the first corroboration of the QCD prediction of xF3 evolution at low-x, and yields LAMBDA(MSBAR) = 210 +/- 28 +/- 41 MeV, and a determination of the GLS sum rule at Q2 = 3 G eV2, S(GLS) = integral-1/x xF3/x dx = 2.50 +/- 0.018(stat.) +/-0.078 ( syst.). Our value of LAMBDA(MSBAR) yields alpha(s)(M(z)) = .111 +/- .0 02 +/- .003 +/- .003 (scale). Comparison of the neutrino determination of F2(x, Q2) with that obtained from the charged-lepton (e or mu) sca ttering leads to a precise test of the mean-square charge prediction b y the Quark Parton Model. The SLAC-CCFR and BCDMS structure function p rovide a consistent and precise set of structure functions over a larg e range of Q2.