arXiv · hep-ph/0006348
Proton spin structure and the low-energy pp -> pp eta' reaction
Abstract
Gluonic degrees of freedom induce a contact term in the effective chiral Lagrangian description of the low-energy pp -> pp eta' reaction. The strength of this contact term is, in part, related to the amount of spin carried by polarised gluons in a polarised proton.
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Steven D. Bass. 2000-06-30. Proton spin structure and the low-energy pp -> pp eta' reaction. https://arxiv.org/abs/hep-ph/0006348
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