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Leptonic constants of heavy quarkonia in a potential approach of nonrelativistic QCD

✍ Scribed by Kiselev, V. V.; Likhoded, A. K.; Pakhomova, O. N.; Saleev, V. A.


Book ID
125465683
Publisher
The American Physical Society
Year
2002
Tongue
English
Weight
329 KB
Volume
65
Category
Article
ISSN
1550-7998

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Sum rule calculation of semi-leptonic de
✍ H.G. Dosch πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 212 KB

The semi-leptonic decay amplitudes of heavy A hyperons are calculated with sum rules in full QCD. The decay rate of the AΒ’ ~ AtP agrees in the errors with the experimental value. For the decay Ab --A~lP a substantial deviation from HQET is found in our approach.