Abstract
The quantity 2${\mathit{F}}_{2}^{\mathit{d}}$(x,${\mathit{Q}}^{2}$)/${\mathit{F}}_{2}^{\mathit{p}}$(x,${\mathit{Q}}^{2}$)-1 is calculated in the region of low x and low and moderate ${\mathit{Q}}^{2}$ relevant for recent NMC and E665 measurements as well as for the expected final results of the precise NMC analysis of their low x data. The calculations include nuclear shadowing effects and a suitable extrapolation of the structure functions of free nucleons to the low ${\mathit{Q}}^{2}$ region. The theoretical results are in a good agreement with the NMC data. The shadowing correction to the experimental estimate of the Gottfried sum is quantified.
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