Current renormalisation in NBQCD for semi-leptonic B → D decays

被引：2
|
作者：
Boyle, P [1 ]
Davies, C [1 ]
机构：
[1] Univ Glasgow, Dept Phys & Astron, Glasgow, Lanark, Scotland
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 1999年 / 73卷
关键词：
D O I：
10.1016/S0920-5632(99)85079-8
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 present a calculation of the renormalisation constants for the temporal vector current, Zv(0) and spatial axial current, Z(Ak), to O(alpha r/M) for B --> D transaction using the O(1/M) NRQCD action for both b and c quarks evaluated for a large range of mass parameters. Considerations for the renormalisation of the spatial vector current and the temporal axial current are discussed and initial results for a mixed lattice current are presented for the spatial vector current.
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页码：378 / 380
页数：3
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