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Heavy quark masses from the $Q\overline{Q}$ threshold and the upsilon expansion

Authors
  • Hoang, A.H.
Publication Date
Sep 15, 1999
Identifiers
DOI: 10.1016/S0920-5632(00)00613-7
OAI: oai:cds.cern.ch:399934
Source
CERN Document Server
Keywords
Language
English
License
Unknown
External links

Abstract

Recent results from studies using half the perturbative mass of heavy quark-antiquark n=1, ${}^3S_1$ quarkonium as a new heavy quark mass definition for problems where the characteristic scale is smaller than or of the same order as the heavy quark mass are reviewed. In this new scheme, called the 1S mass scheme, the heavy quark mass can be determined very accurately, and many observables like inclusive B decays show nicely converging perturbative expansions. Updates on results using the 1S scheme due to new higher order calculations are presented.

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