The electric form factor of the neutron and its chiral content
Physikalisches Institut, Universität Tübingen, D-72076, Tübingen, Germany
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Considering the nucleon as a system of confined valence quarks surrounded by pions we derive a Galster-like parameterization of the neutron electric form factor G E n . Furthermore, we show that the proposed parameterization can be linked to properties of the pion cloud. By this, the high-quality data for the pion form factor can be used in predictions of G E n in the low-Q 2 region, where the direct double-polarization measurements are not available.
© Società Italiana di Fisica and Springer-Verlag, 2004