Orbiting valence quarks and their influence on the structure functions of the nucleon
Liang Zuo-tang, R. Rittel
Abstract
It is shown that intrinsic orbital motion of the valence quarks has large influences on the spin-dependent as well as the spin-averaged nucleon structure functions. Its connection with the observed ``very small contribution of quark spin to nucleon spin'' and the observed violation of Gottfried sum rule is discussed.
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