Quark structure of pseudoscalar mesons

被引：343

作者：

Feldmann, T ^{[1
]}

机构：

[1] Univ Wuppertal, Fachbereich Phys, D-42097 Wuppertal, Germany

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2000年 / 15卷 / 02期

关键词：

D O I：

10.1142/S0217751X00000082

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

I review to which extent the properties of pseudoscalar mesons can be understood in terms of the underlying quark (and eventually gluon) structure. Special emphasis is put on the progress in our understanding of eta-eta' mixing. Process-independent mixing parameters are defined, and relations between different bases and conventions are studied. Both, the low-energy description in the framework of chiral perturbation theory and the high-energy application in terms of light-cone wave functions for partonic Fock states, are considered. A thorough discussion of theoretical and phenomenological consequences of the mixing approach will be given. Finally, I will discuss mixing with other states (pi(0), eta(c),...).

引用

页码：159 / 207

页数：49

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