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Title

Strange quark mass determination from Cabibbo-suppressed tau decays

AuthorsPich, Antonio ; Prades, Joaquim
KeywordsQuark masses and SM parameters
QCD
Issue Date1999
PublisherInstitute of Physics Publishing
CitationJournal of High Energy Physics (10): 004 (1999)
AbstractWe 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 τ and several moments of its invariant mass distribution are used to determine the value of the strange quark mass. We obtain, in the MSbar scheme, ms(Mτ2) = (119±24) MeV to O(αs3), which corresponds to ms(1 GeV2) = (164±33) MeV, ms(4 GeV2) = (114±23) MeV.
Description29 páginas, 10 tablas.-- arXiv:hep-ph/9909244v1
Publisher version (URL)http://dx.doi.org/10.1088/1126-6708/1999/10/004
URIhttp://hdl.handle.net/10261/33223
DOI10.1088/1126-6708/1999/10/004
ISSN1126-6708
Appears in Collections:(IFIC) Artículos
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