arXiv · hep-ph/9903225
On the Spin content of the Nucleon
Abstract
A QCD sum rule calculation of Balistky and Ji on the spin content of the nucleon is done with a different approach to the evaluation of the bilocal contributions and to the extraction of the nucleon pole residues. The result obtained is much more numerically stable which puts their conclusion that about half of the nucleon spin is carried by gluons on firmer ground.
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N. F. Nasrallah. 1999-05-30. On the Spin content of the Nucleon. https://doi.org/10.1103/physrevd.61.056002
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