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Strange quark mass determination from Cabibbo suppressed tau decays
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Strange quark mass determination from Cabibbo suppressed tau decays
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| Pich Zardoya, Antonio Perfil; Prades Hernández, Joaquim | |||
| This document is a artículoDate1999 | |||
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Este documento está disponible también en : http://hdl.handle.net/10550/42305 |
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| We present a general analysis of SU(3) breaking effects in the semi-inclusive tau hadronic width. The recent ALEPH measurements of the inclusive Cabibbo-suppressed decay width of the tau and several moments of its invariant mass distribution are used to determine the value of the strange quark mass. We obtain, in the <(MS)over bar> scheme, m(s)(M-tau(2)) = (119 +/- 24) MeV to O(alpha(s)(3)), which corresponds to m(s)(1 GeV2) = (164 +/- 33) MeV; m(s)(4 GeV2) = (114 +/- 23) MeV. | |||
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Pich Zardoya, Antonio Prades Hernández, Joaquim 1999 Strange quark mass determination from Cabibbo suppressed tau decays Journal of High Energy Physics 10 004 1 28 |
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| http://dx.doi.org/10.1088/1126-6708/1999/10/004 |
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22 - Física [436]