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Comments on hadron mass dependence in quark models

โœ Scribed by L. Goodman


Book ID
110663872
Publisher
Springer-Verlag
Year
1970
Weight
221 KB
Volume
68
Category
Article
ISSN
0369-3546

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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.