First results of fD and fDs in lattice QCD with exact chiral symmetry

被引：0
|
作者：
Chiu, Ting-Wai [1 ]
Hsieh, Tung-Han [2 ]
Lee, Jon-Yu [1 ]
Liu, Pei-Hua [1 ]
Chang, Hsiu-Ju [1 ]
机构：
[1] Natl Taiwan Univ, Dept Phys, Taipei, Taiwan
[2] Natl United Univ, Commiss Gen Educ, Phys Sect, Miaoli, Taiwan
来源：
PARTICLES AND NUCLEI | 2006年 / 842卷
关键词：
pseudoscalar decay constant; lattice QCD; chiral fermion;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The decay constants of D and D-s are determined in quenched lattice QCD with exact chiral symmetry. Our results are: f(D) = 235(8)(14) MeV, and f(Ds) = 266(10)(18) MeV [1]. The latest experimental result of f(D+) from CLEO [3] is in good agreement with our prediction.
引用
收藏
页码：243 / 245
页数：3
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