E2 and C2 amplitudes for electroproduction of $Δ$

Details E2 and C2 amplitudes for electroproduction of $Δ$ E2 and C2 amplitudes for electroproduction of $Δ$

1995-12-21

arxiv.org/abs/hep-ph/9512391v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages LaTeX, uses psfig.sty, one figure added as uuencoded gzipped postscript file, two figures included in source; (Contrib

Scientific paper

We compute the amplitudes for the electromagnetic $\gamma_v N \to \Delta$
transition in the framework of soliton models with quarks and mesons. The
ratios E2/M1 and C2/M1 as functions of the photon four-momentum squared are
dominated by the contribution of the pion cloud and are in reasonable agreement
with the available experimental data.

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