We discuss the consequence of local duality for elastic scattering, and derive a model-independent equation between structure functions at x ~ 1 and elastic electromagnetic form factors. Then the electromagnetic form...We discuss the consequence of local duality for elastic scattering, and derive a model-independent equation between structure functions at x ~ 1 and elastic electromagnetic form factors. Then the electromagnetic form factors of proton are discussed using the quark-hadron duality theory. We also debate the form factor of proton in a bound state.It may be an effective approach to study the form factor of proton in media.展开更多
文摘We discuss the consequence of local duality for elastic scattering, and derive a model-independent equation between structure functions at x ~ 1 and elastic electromagnetic form factors. Then the electromagnetic form factors of proton are discussed using the quark-hadron duality theory. We also debate the form factor of proton in a bound state.It may be an effective approach to study the form factor of proton in media.