Chiral Effective Lagrangian and Quark Masses

Details Chiral Effective Lagrangian and Quark Masses Chiral Effective Lagrangian and Quark Masses

2002-10-16

arxiv.org/abs/hep-lat/0210025v1

Physics

High Energy Physics

High Energy Physics - Lattice

Invited talk presented at Lattice2002(plenary), 12 pages, 3 figures

Scientific paper

10.1016/S0920-5632(03)01493-2

The status of lattice determinations of quark masses is reviewed (with the
exception of m_b). Attempts to extract the low-energy constants in the
effective chiral Lagrangian are discussed, with special emphasis on those
couplings which are required to test the hypothesis of a massless up-quark.
Furthermore, the issue of quenched chiral logarithms is addressed.

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