T-2, Nuclear and Particle Physics, Astrophysics and Cosmology

Update on nucleon form factors

Earle Lomon

Since last summer's presentation of the VMD-DR-QCD model, its success in fitting the available data and the large values of momentum transfer at which pQCD is approached, there have been experimental and theoretical additions. The new low momentum transfer BLAST data has less structure than older, less precise, data and agrees with the relatively smooth prediction of the model. In collaboration with T.W. Donnelly, further analysis of the relative importance of aspects of the model and configuration space distributions has been made. These results will be presented together with comparisons to the different VMD-DR-QCD model of Belushkin, Hammer and Meissner.


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