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Tau strange spectral functions and the strange quark mass from ALEPH

✍ Scribed by Edwige Tournefier


Book ID
108461704
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
518 KB
Volume
86
Category
Article
ISSN
0920-5632

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πŸ“œ SIMILAR VOLUMES


Strange quark mass dependence of the Tau
✍ Joaquim Prades; Antonio Pich πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 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.