Abstract
The ratio of deep-inelastic structure functions of nuclear targets to the sum of free neutron and proton structure functions has been calculated using a modified form of the Atwood-West technique for deuterium. Fermi-gas momentum distributions were used with modifications to include high-momentum tails resulting from nucleon-nucleon correlations. Tables of smearing ratios for ${W}_{1}$, ${W}_{2}$, and ${W}_{3}$ are given as a function of $x$ and ${Q}^{2}$ for deuterium and several heavy nuclei. We find that for $xg0.5$ the scaling violations for heavy nuclei are smaller than those for free nucleons. The shapes of the antiquark distributions are also changed.
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