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Theoretical progress on the V_us determination from tau decays

A very precise determination of V_us can be obtained from the semi-inclusive hadronic decay width of the tau lepton into final states with strangeness. The ratio of the Cabibbo-suppressed and Cabibbo-allowed tau decay widths directly measures (V_us/V_ud)^2, up to very small SU(3)-breaking correction...

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Detalles Bibliográficos
Autores principales:	Gamiz, Elvira, Jamin, Matthias, Pich, Antonio, Prades, Joaquim, Schwab, Felix
Lenguaje:	eng
Publicado:	2007
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.22323/1.046.0008 http://cds.cern.ch/record/1054682

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