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Title: A New Determination of $\alpha _{S}$ From Neutrino-Nucleon Scattering
Authors: CCFR Collaboration: W. Seligman et al.
Comments: 6 pages, RevTeX 
          Submitted to Phys. Rev. Lett.
Report-no: Nevis Report 1531
Journal-ref:
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We present a new determination of the proton structure functions $F_{2}$ and 
$xF_{3}$ from the CCFR $\nu $-Fe deep inelastic scattering (DIS) experiment.
Comparisons to high-statistics charged-lepton scattering results for $F_{2}$
from the NMC, E665, SLAC, and BCDMS experiments, after correcting for
quark-charge and heavy-target effects, indicate good agreement for $x>0.1$
but some discrepancy at lower $x$. The $Q^{2}$ evolution of the structure
functions yields the quantum chromodynamics (QCD) scale parameter $\Lambda _{%
\overline{MS}}^{NLO,(4)}=337 \pm 28$(exp.)$\ MeV$. This corresponds to
a value of the strong coupling constant at the scale of mass of the $Z$-boson
of $\alpha _{S}(M_{Z}^{2})=0.119 \pm 0.002$(exp.)$\pm 0.004$(theory)
and is one of the most precise measurements of this quantity.
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