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K π Resonance Effect to the Form Factors in the K l 3 Decays

1961; Oxford University Press; Volume: 26; Issue: 4 Linguagem: Inglês

10.1143/ptp.26.554

1347-4081

Jugoro Iizuka,

Physics of Superconductivity and Magnetism

The form factors in the leptonic three-body decays of K-meson are studied in terms of the dispersion theoretic techniques developed by Goldberger and Treiman. Assuming that the Kπ-resonance has a dominant contribution to the dispersion integral, we can show that the consequences of the partially conserved current hypothesis studied by Bernstein and Weinberg follow from the theory under the weaker conditions on the high energy behavior of the divergence of the current.