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A review of heavy-heavy spectroscopy

Authors
  • Davies, C. T. H.
Type
Published Article
Publication Date
Dec 03, 1993
Submission Date
Dec 03, 1993
Identifiers
DOI: 10.1016/0920-5632(94)90329-8
arXiv ID: hep-lat/9312022
Source
arXiv
License
Unknown
External links

Abstract

Calculations of the heavy-heavy spectrum present a good opportunity for precision tests of QCD using lattice techniques. All methods make use of a non-relativistic expansion of the action and its systematic improvement to remove lattice artefacts. There was convincing demonstration this year that these methods work and that the associated perturbation theory is well-behaved. Comparison to experimental results yields an accurate value for the lattice spacing, a, a key result in the determination of \alpha_{s}, and (for the first time this year) the mass of the b quark (4.7(1) GeV).

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