Lattice heavy quark effective theory and the Isgur-Wise function

被引：28
|
作者：
Hashimoto, S [1 ]
Matsufuru, H [1 ]
机构：
[1] HIROSHIMA UNIV, DEPT PHYS, HIGASHIHIROSHIMA 739, JAPAN
来源：
PHYSICAL REVIEW D | 1996年 / 54卷 / 07期
关键词：
D O I：
10.1103/PhysRevD.54.4578
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compute the Isgur-Wise function using heavy quark effective theory formulated on the lattice. The nonrelativistic kinetic energy term of the heavy quark is included in the action as well as terms remaining in the infinite quark mass limit. The classical velocity of the heavy quark is renormalized on the lattice and we determine the renormalized velocity nonperturbatively using the energy-momentum dispersion relation. The slope parameter of the Isgur-Wise function at zero recoil is obtained at beta = 6.0 on a 24(3) x 48 lattice for three values of m(Q).
引用
收藏
页码：4578 / 4584
页数：7
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