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Strange quark mass dependence of the Tau hadronic Width

AuthorsPrades, Joaquim ; Pich, Antonio
Issue DateMar-1999
CitationNuclear Physics B Proceedings Supplements 74(1-3): 309-312 (1999)
AbstractThe perturbative quark mass corrections to the tau hadronic width are studied to O(αs3mq2). Including up to dimension four corrections, we get ms(4 GeV]2) = (143 ± 42) MeV [ms(1 GeV2) (193 ± 59) MeV]. Possible improvements to reduce the theoretical uncertainty are pointed out.
Description4 páginas, 3 figuras.-- Comunicación presentada al High Energy Conference on Quantum Chromodynamics QCD'98 celebrado del 2 al 8 de Julio de 1998 en Montpellier (Francia).-- arXiv:hep-ph/9811263v1
Publisher version (URL)http://dx.doi.org/10.1016/S0920-5632(99)00184-X
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