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| Título: | Vus and ms from Hadronic τ Decays |
Autor: | Gámiz, Elvira; Jamin, Matthias; Pich, Antonio CSIC ORCID; Prades, Joaquim; Schwab, Félix | Fecha de publicación: | 14-ene-2005 | Editor: | American Physical Society | Citación: | Physical Review Letters 94(1): 011803 (2005) | Resumen: | Recent experimental results on hadronic τ decays into strange particles by the OPAL Collaboration are employed to determine Vus and ms from moments of the invariant mass distribution. Our results are Vus=0.2208±0.0034 and ms(2 GeV)=81±22 MeV. The error on Vus is dominated by experiment and should be improvable in the future. Nevertheless, already now our result is competitive with the standard extraction of Vus from Ke3 decays, and it is compatible with unitarity. | Descripción: | 4 páginas, 1 figura, 1 tabla.-- PACS numbers: 12.15.Hh, 11.55.Hx, 12.38.Lg, 14.60.Fg. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.94.011803 | URI: | http://hdl.handle.net/10261/33102 | DOI: | 10.1103/PhysRevLett.94.011803 | ISSN: | 0031-9007 |
| Aparece en las colecciones: | (IFIC) Artículos |
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|---|---|---|---|---|
| e011803.pdf | 93,28 kB | Adobe PDF |  Visualizar/Abrir |
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