Light and heavy quark masses, Flavour breaking of chiral condensates, Meson weak leptonic decay constants in QCD

Details Light and heavy quark masses, Flavour breaking of chiral condensates, Meson weak leptonic decay constants in QCD Light and heavy quark masses, Flavour breaking of chiral condensates, Meson weak leptonic decay constants in QCD

2002-02-21

arxiv.org/abs/hep-ph/0202200v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex 2e, 46 pages, 12 eps.figures, 7 tables. Update and Review. Adapted from a chapter of the forthcoming book: QCD as a Theo

Scientific paper

We review the present status for the determinations of the light and heavy quark masses, the light quark chiral condensate and the decay constants of light and heavy-light (pseudo)scalar mesons from QCD spectral sum rules (QSSR). Bounds on the light quark running masses at 2 GeV are found to be: 6 MeV<(m_d+m_u)(2)<11 MeV and 71 MeV/=0.66\pm 0.10. The last section is dedicated to the QSSR determinations of f_{D_{(s)}} and f_{B_{(s)}}.

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