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LATTICE STUDY OF SEMILEPTONIC DECAYS OF CHARM MESONS INTO VECTOR-MESONS

被引：50
作者：
BERNARD, CW
ELKHADRA, AX
SONI, A
机构：
[1] FERMI NATL ACCELERATOR LAB,THEORY GRP,BATAVIA,IL 60510
[2] BROOKHAVEN NATL LAB,UPTON,NY 11973
来源：
PHYSICAL REVIEW D | 1992年 / 45卷 / 03期
关键词：
D O I：
10.1103/PhysRevD.45.869
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present our lattice calculation of the semileptonic form factors for the decays D --> K*, D(s) --> phi, and D --> rho using Wilson fermions on a 24(3) x 39 lattice at beta = 6.0 with 8 quenched configurations. For D --> K*, we find for the ratio of axial form factors A2(0)/A1(0) = 0.70 +/- 0.16(-0.15)(+0.20). Results for other form factors and ratios are also given.
引用
收藏
页码：869 / 874
页数：6
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