fK/fπ ratio from QCD sum rules

被引：0
作者：
Choe, SH [1 ]
Lee, SH [1 ]
机构：
[1] Yonsei Univ, Dept Phys, Seoul 120749, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 1998年 / 32卷 / 06期
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D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Using the correlation function of the axial vector mesons, we present a QCD sum rule calculation for the decay constants f(pi) and f(K). Our calculations are only weakly dependent on the SU(3)-breaking parameter for the QCD vacuum and give the ratio f(K)/f(pi) = 1.11 +/- 0.02.
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页码：798 / 804
页数：7
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