One-loop renormalization of heavy-light currents

被引:1
作者
Harada, J [1 ]
Hashimoto, S
Ishikawa, KI
Kronfeld, AS
Onogi, T
Yamada, N
机构
[1] Hiroshima Univ, Dept Phys, Higashihiroshima 7398526, Japan
[2] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan
[3] Univ Tsukuba, Ctr Computat Phys, Tsukuba, Ibaraki 3058577, Japan
[4] Fermilab Natl Accelerator Lab, Dept Theoret Phys, Batavia, IL 60510 USA
[5] Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan
基金
日本学术振兴会;
关键词
D O I
10.1016/S0920-5632(01)01849-7
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We calculate the mass dependent renormalization factors of heavy-light bilinears at one-loop order of perturbation theory, when the heavy quark is treated with the Fermilab formalism. We present numerical results for the Wilson and Sheikholeslami-Wohlert actions, with and without tree-level rotation. We find that in both cases our results smoothly interpolate from the static limit to the massless limit. We also calculate the mass dependent Brodsky-Lepage-Mackenzie scale q*, with and without tadpole-improvement.
引用
收藏
页码:802 / 804
页数:3
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