Non-local generalization of the axial anomaly and $x$-dependence of the anomalous gluon contribution

Details Non-local generalization of the axial anomaly and $x$-dependence of the anomalous gluon contribution Non-local generalization of the axial anomaly and $x$-dependence of the anomalous gluon contribution

1997-01-29

arxiv.org/abs/hep-ph/9701413v3

Phys.Rev. D56 (1997) 2607-2613

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages RevTex, 1 figure, replaced with version to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.56.2607

The generalization of the axial anomaly is considered. It is shown that bilocal axial quark operators on the light cone possess, beside the point-like anomaly, also a light-like anomaly. The consequences for the definition of anomaly-free quark distribution functions and the effect of both gluon coefficient function and splitting kernels in polarized deep inelastic scattering are discussed.

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