Theory of Power Corrections to Deep Inelastic Scattering in Quantum Chromodynamics. 1. Q**2 Effects - INSPIRE

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Theory of Power Corrections to Deep Inelastic Scattering in Quantum Chromodynamics. 1. Q**2 Effects

Apr, 1981

31 pages

Published in:

Nucl.Phys.B 199 (1982) 451-481

Published: 1982

DOI:

10.1016/0550-3213(82)90355-8

Report number:

IYF-81-77

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Abstract: (Elsevier)

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.

LEPTON HADRON: DEEP INELASTIC SCATTERING
DEEP INELASTIC SCATTERING: LEPTON HADRON
CURRENT: ELECTROMAGNETIC
WEAK CURRENT
MOMENT: STRUCTURE FUNCTION
QUANTUM CHROMODYNAMICS: PERTURBATION THEORY
EFFECT: HIGHER-TWIST
FIELD THEORY: OPERATOR PRODUCT EXPANSION
RENORMALIZATION: REGULARIZATION
QUARK: DIQUARK

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