Proton Spin Based On Chiral Dynamics

Details Proton Spin Based On Chiral Dynamics Proton Spin Based On Chiral Dynamics

1999-04-20

arxiv.org/abs/hep-ph/9904405v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, Latex, 1 table, no figures

Scientific paper

10.1007/s006010050110

Chiral spin fraction models agree with the proton spin data only when the
chiral quark-Goldstone boson couplings are pure spinflip. For axial-vector
coupling from soft-pion physics this is true for massless quarks but not for
constituent quarks. Axial-vector quark-Goldstone boson couplings with {\bf
constituent} quarks are found to be inconsistent with the proton spin data.

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