Instantons and Polarized Structure Functions

Details Instantons and Polarized Structure Functions Instantons and Polarized Structure Functions

1997-11-04

arxiv.org/abs/hep-ph/9711226v1

Phys.Rev. D57 (1998) 5539-5542

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, Latex, 4 figures. To appear in Proc. Workshop "Deep Inelastic Scattering off Polarized Targets: Theory Meets Experime

Scientific paper

10.1103/PhysRevD.57.5539

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.

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