Theory of power corrections to deep inelastic scattering in quantum chromodynamics (I). Q-2 effects

E. V. Shuryak, A. I. Vainshtein

Research output: Contribution to journalArticlepeer-review

189 Scopus citations

Abstract

For first and second moments of structure functions of electromagnetic and weak scattering Q-2 corrections (Q is the momentum transfer) are found by means of the operator product expansion method. Renormalizations of relevant operators of twist 4 are found to be small. Available data on scaling violation are discussed, and results are translated into the average value of a certain diquark operator over the nucleon. The naive quark picture with valence quarks only can not reproduce them, and some clusters of virtual quarks with dimensions about 1 3 of that the nucleon are predicted and identified naturally with constituent quarks.

Original languageEnglish (US)
Pages (from-to)451-481
Number of pages31
JournalNuclear Physics, Section B
Volume199
Issue number3
DOIs
StatePublished - Jun 7 1982

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