Study of Lattice QCD Form Factors Using the Extended Gari-Krumpelmann Model
Hrayr H. Matevosyan, Anthony W. Thomas, Gerald A. Miller
Abstract
We explore the suitability of a modern vector meson dominance (VMD) model as a method for chiral extrapolation of nucleon electromagnetic form factor simulations in lattice QCD. It is found that the VMD fits to experimental data can be readily generalized to describe the lattice simulations. However, the converse is not true. That is, the VMD form is unsuitable as a method of extrapolation of lattice simulations at large quark mass to the physical regime.
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