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Bounds on the $K_{l3}$ scalar form factor from low-energy K$\pi$ phase shift

Upper and lower bounds on the scalar form factor of K/sub l3/ decay are calculated using the analytic properties of the form factor, the experimental low-energy S-wave K pi phase shift, and an estimate of the propagator Delta (t) of the divergence of the strangeness changing current at zero momentum...

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Detalles Bibliográficos
Autor principal: Bourrely, C
Lenguaje:eng
Publicado: 1973
Materias:
Acceso en línea:https://dx.doi.org/10.1016/0550-3213(73)90446-X
http://cds.cern.ch/record/880786