Schwinger-Dyson approach and generalized impulse approximation for the pi0 gamma^* gamma transition

Details Schwinger-Dyson approach and generalized impulse approximation for the pi0 gamma^* gamma transition Schwinger-Dyson approach and generalized impulse approximation for the pi0 gamma^* gamma transition

1999-05-05

arxiv.org/abs/hep-ph/9905251v1

Fizika B8:303,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

revtex, 17 pages, 3 eps figures; Contribution to the conference "Nuclear and particle physics with CEBAF at Jefferson Lab", Du

Scientific paper

We review the pion-photon transition form factor calculated in the Schwinger-Dyson approach and an impulse approximation. We present results for it far above the scales presently accessible for measurement, up to 36 GeV^2, and demonstrate agreement with the analytically inferred asymptotic behavior, for which we also provide a new derivation. We discuss how measurements at Jefferson Lab can provide information on how quarks are dynamically dressed.

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