The Proton Spin Structure in Skyrme Type Models

Details The Proton Spin Structure in Skyrme Type Models The Proton Spin Structure in Skyrme Type Models

1993-10-15

arxiv.org/abs/hep-ph/9310293v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, LaTeX, UNITU-THEP-12/1993 Talk presented at the 13$^{\rm th}$ PANIC meeting, Perugia, June 28$^{\rm th}$-July 3$^{\rm

Scientific paper

It is demonstrated how in the soliton approach to baryons a small but non-vanishing matrix element of the axial singlet current is obtained. Furthermore it is shown that these models also provide a mechanism to disentangle the ``matter" and ``glue" contributions to this matrix element. Numerical results indeed exhibit a cancellation between these two components. However, the magnitudes of both turn out to be significantly smaller than unity.

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