How Much of the Nucleon Spin Is Carried By Glue?

Preprint

6 February 1997

preprint
Published by arXiv in arXiv

Abstract

We estimate in the QCD sum rule approach the amount of the nucleon spin carried by the gluon angluar momentum: the sum of the gluon spin and orbital angular momenta. The result indicates that gluons contribute at least one half of the nucleon spin at scale of 1 GeV^2.

Keywords

GLUONS CONTRIBUTE
SPIN IS CARRIED
ORBITAL ANGULAR
RULE APPROACH
NUCLEON SPIN
QCD SUM

All Related Versions

Version 1, 1997-02-06, ArXiv
Version 2, 1997-02-10, ArXiv
Published version: Physical Review Letters, 79 (7), 1225.

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