Nucleon Vector Strangeness Form Factors: Multi-pion Continuum and the OZI Rule
H. -W. Hammer, M. J. Ramsey-Musolf
Abstract
We estimate the 3 πcontinuum contribution to the nucleon strange quark vector current form factors, including the effect of a 3 π<----> ρπresonance. We find the magnitude of this OZI-violating contribution to be comparable to that of typical OZI-allowed contributions. We also study the isoscalar electromagnetic form factors, and find that the presence of a ρπresonance in the multi-pion continuum may generate an appreciable contribution.
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