Electromagnetic structure and weak decay of meson K in a light-front QCD-inspired model

被引：8
|
作者：
Pereira, Fabiano P. [1 ]
de Melo, J. P. B. C.
Frederico, T.
Tomio, Lauro
机构：
[1] Univ Fed Fluminense, Inst Fis, BR-24210900 Niteroi, RJ, Brazil
[2] Univ Cruzeiro Sul, CETEC, BR-08060070 Sao Paulo, Brazil
[3] Inst Tecnol Aeronaut, BR-12228900 Sao Jose Dos Campos, SP, Brazil
[4] Univ Estadual Paulista, Inst Fis Teor, BR-01405900 Sao Paulo, Brazil
来源：
NUCLEAR PHYSICS A | 2007年 / 790卷
基金：
巴西圣保罗研究基金会;
关键词：
D O I：
10.1016/j.nuclphysa.2007.03.103
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：
The kaon electromagnetic (e.m.) form factor is reviewed considering a light-front constituent quark model. In this approach, it is discussed the relevance of the quark-antiquark pair terms for the full covariance of the e.m. current. It is also verified, by considering a QCD dynamical model, that a good agreement with experimental data can be obtained for the kaon weak decay constant once a probability of about 80% of the valence component is taken into account.
引用
收藏
页码：610C / 613C
页数：4
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