Measuring the finite width and unitarity corrections to the phi-omega mixing amplitude

Details Measuring the finite width and unitarity corrections to the phi-omega mixing amplitude Measuring the finite width and unitarity corrections to the phi-omega mixing amplitude

1999-06-28

arxiv.org/abs/hep-ph/9906520v3

Phys.Rev.D61:054005,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

Clarifying remarks and equations are added, fig. 3 is changed in v2, conclusions unchanged. Typeset error in the expression fo

Scientific paper

10.1103/PhysRevD.61.054005

It is shown that the phase of phi-omega interference in the reaction e^+e^- -->pi^+ pi^- pi^0 at energies close to the phi(1020) peak can be calculated in a way that is practically independent of the model of phi-omega mixing. The magnitude of the presently measured interference phase, still of poor accuracy, is in agreement with the predictions based on extending the omega(782) resonance tail from the peak position to the phi mass upon assuming the omega -->rho pi -->3pi model. The calculated omega width at the phi mass is about 200 MeV.

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