Vector meson masses in chiral perturbation theory

被引：47

作者：

Bijnens, J ^{[1
]}

Gosdzinsky, P ^{[1
]}

Talavera, P ^{[1
]}

机构：

[1] NORDITA,DK-2100 COPENHAGEN 0,DENMARK

来源：

NUCLEAR PHYSICS B | 1997年 / 501卷 / 02期

关键词：

D O I：

10.1016/S0550-3213(97)00391-X

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：

We discuss the vector meson masses within the context of chiral perturbation theory performing an expansion in terms of the momenta, quark masses and 1/N-c. We extend the previous analysis to include isospin breaking effects and also include up to order p(4). We discuss vector meson chiral perturbation theory in some detail and present a derivation from a relativistic Lagrangian. The unknown coefficients are estimated in various ways. We also discuss the relevance of electromagnetic corrections and the implications of the present calculation for the determination of quark masses. (C) 1997 Elsevier Science B.V.

引用

页码：495 / 517

页数：23

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