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Quark distributions in QCD sum rules: unexpected features and paradoxes

A. G. Oganesian
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Abstract

Some very unusual features of the hadron structure functions, obtained in the generalized QCD sum rules, like the surprisingly strong difference between longitudinally and transversally polarized $ρ$ mesons structure functions and the strong suppression of the gluon sea in longitudinally polarized $ρ$ mesons are discussed. Also the problem of exact zero contribution of gluon condensates to pion and longitudinally polarized $ρ$ meson quark distributions is discussed.

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A. G. Oganesian. 2006-10-08. Quark distributions in QCD sum rules: unexpected features and paradoxes. https://doi.org/10.1134/s1063778808080152

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