Strange vector currents and the OZI-rule

J. Speth; J. W. Van Orden; Ulf-G. Mei{\ss}ner; V. Mull

Strange vector currents and the OZI-rule

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arxiv hep-ph/9701296 v1 pith:LBZV7APO submitted 1997-01-15 hep-ph

Ulf-G. Mei{ss}ner , V. Mull , J. Speth , J. W. van Orden This is my paper · ORCID

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keywords strangevectorfactorsformanalysiscorrelatedcurrentcurrents

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abstract

We investigate the role of correlated $\pi\rho$ exchange in the extraction of matrix elements of the strange vector current in the proton. We show that a realistic isoscalar spectral function including this effect leads to sizeably reduced strange vector form factors based on the dispersion--theoretical analysis of the nucleons' electromagnetic form factors.

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Baryon Form Factors
hep-ph 2024-12 accept novelty 2.0 of 10

A review of baryon form factors summarizing the authors' dispersion-theoretical fits, which yield r_p^E = 0.840 fm, r_p^M = 0.849 fm, and r_n^M = 0.864 fm.

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