Instantons and Polarized Structure Functions

Abstract

The contribution of the quark-quark and quark-gluon interaction induced by instantons to the valence quark and proton spin-dependent structure functions $g_1(x,Q^2)$ is estimated within the instanton liquid model for QCD vacuum. It is shown, that this interaction leads to a rather large violation of the Ellis-Jaffe sum rule.

9 pages, Latex, 4 figures. To appear in Proc. Workshop "Deep Inelastic Scattering off Polarized Targets: Theory Meets Experiment", September 1997, DESY-Zeuthen

References in corpus (1)

• Unpolarized and polarized quark distributions in the large-Nc limit

Cited by in corpus (9)

• Precision Measurement of the Neutron Spin Asymmetries and Spin-dependent Structure Functions in the Valence Quark Region
• Moments of Nucleon Light Cone Quark Distributions Calculated in Full Lattice QCD
• The Spin Structure of the Nucleon
• X(1835) as the Lowest Mass Pseudoscalar Glueball and Proton Spin Problem
• Hadronic Probes of the Polarized Intrinsic Strangeness of the Nucleon
• Small- and large-x nucleon spin structure from a global QCD analysis of polarized Parton Distribution Functions
• The Pauli form factor of the quark induced by instantons
• Instantons and the Spin of the Nucleon
• A New Mechanism for Single Spin Asymmetries in Strong Interactions