Loop corrections to subleading heavy quark currents in SCET

被引：65

作者：

Beneke, M ^{[1
]}

Kiyo, Y ^{[1
]}

Yang, DS ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Theoret Phys E, D-52056 Aachen, Germany

来源：

NUCLEAR PHYSICS B | 2004年 / 692卷 / 1-2期

关键词：

D O I：

10.1016/j.nuclphysb.2004.05.018

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 compute the one-loop (hard) matching correction to heavy-to-light transition currents in soft-collinear effective theory (SCET) to sub-leading power in the SCET expansion parameter for an arbitrary Dirac structure of the QCD weak current. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：232 / 248

页数：17

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