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Strange quark mass from the invariant mass distribution of Cabibbo-suppressed tau decays

✍ Scribed by S. Chen; M. Davier; E. Gámiz; A. Höcker; A. Pich; J. Prades


Book ID
106261030
Publisher
Springer-Verlag
Year
2001
Tongue
English
Weight
266 KB
Volume
22
Category
Article
ISSN
1434-6044

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Strange quark mass dependence of the Tau
✍ Joaquim Prades; Antonio Pich 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 379 KB

The perturbative quark mass corrections to the tau hadronic width are studied to O(& &). Including up to dimension four corrections, we get m,(4 GeV') = (143 f 42) MeV [m,(l GeV') = (193 ZIZ 59) MeV 1. Possible improvements to reduce the theoretical uncertainty are pointed out.