Abstract
The high-$y$ anomaly and the anomalous increase of the total antineutrino cross section at high energy appear consistent with the usual parton model of four flavors if the first moment of the fractional momentum distribution of the $\overline{s}$ parton is large compared with that of the $\overline{u}$, $\overline{d}$, and $s$ partons. Various consequences and tests of this hypothesis are discussed.
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