Microscopic Model of the Time Like Electromagnetic Form Factor of the Nucleon
H. C. Doenges, M. Schaefer, U. Mosel
Abstract
A microscopic model of the electromagnetic form factor of the nucleon is developed in a hadronic framework, including pions, nucleons and the Delta-resonance explicitly. The space like on-shell form factors are reproduced and predictions for the half off-shell dependence are made. The impact of this off-shell dependence in the time like sector (q2 < 1 GeV2, thus including the region of vector meson dominance) is of main interest in this investigation.
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