Nucleon Vector Strangeness Form Factors: Multi-pion Continuum and the OZI Rule

Details Nucleon Vector Strangeness Form Factors: Multi-pion Continuum and the OZI Rule Nucleon Vector Strangeness Form Factors: Multi-pion Continuum and the OZI Rule

1997-03-25

arxiv.org/abs/hep-ph/9703406v2

Phys.Lett. B416 (1998) 5-15

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, LaTex, 4 PS figures, uses epsf.sty, rotate.sty, revised to include 3\pi -> \omega resonance and e^+ e^- data

Scientific paper

10.1016/S0370-2693(97)01322-1

We estimate the 3 \pi continuum contribution to the nucleon strange quark vector current form factors, including the effect of a 3 \pi <----> \rho \pi resonance. 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 \rho \pi resonance in the multi-pion continuum may generate an appreciable contribution.

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