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

6533b7d6fe1ef96bd1266fce

RESEARCH PRODUCT

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

Hans-werner Hammer Hans-werner Hammer Michael J. Ramsey-musolf

subject

Physics Nuclear and High Energy Physics Particle physics Strange quark Nuclear Theory Isoscalar High Energy Physics::Phenomenology Nuclear Theory FOS: Physical sciences Strangeness Resonance (particle physics)Nuclear Theory (nucl-th)High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph)Pion OZI rule High Energy Physics::Experiment Continuum (set theory)Nuclear Experiment Nucleon

description

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.

year	journal	country	edition	language
1997-03-24

10.1016/s0370-2693(97)01322-1 http://arxiv.org/abs/hep-ph/9703406

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