Axial baryonic charge and the spin content of the nucleon: A lattice investigation
- 1 April 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 49 (7) , R3087-R3090
- https://doi.org/10.1103/physrevd.49.r3087
Abstract
The axial baryonic charge of the nucleon, , which measures the quark fraction of the nucleon spin, is computed in lattice QCD with dynamical staggered fermions. We obtain the value . This suggests that the quark spin is responsible for very little of the nucleon spin.
Keywords
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