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- URN zum Zitieren dieses Dokuments:
- urn:nbn:de:bvb:355-epub-139885
- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.13988
Zusammenfassung
We study the asymptotic behaviour of the perturbative series in the heavy quark effective theory (HQET) using the 1/Nƒ expansion. We find that this theory suffers from an ultraviolet renormalon problem, corresponding to a non-Borel-summable behaviour of perturbation series in large orders, and leading to a principal nonperturbative ambiguity in its definition. This ambiguity is related to an ...
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