Chiral effective Lagrangian and quark masses

被引：26

作者：

Wittig, H ^{[1
]}

机构：

[1] DESY, Theory Grp, D-22603 Hamburg, Germany

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2003年 / 119卷

关键词：

D O I：

10.1016/S0920-5632(03)01493-2

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

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 tip-quark. Furthermore, the issue of quenched chiral logarithms is addressed.

引用

页码：59 / 70

页数：12

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