Correlators of heavy-light quark currents in HQET: OPE at three loops

被引：3
|
作者：
Chetyrkin, K. G. [1 ,2 ,3 ]
Grozin, A. G. [4 ,5 ]
机构：
[1] Karlsruher Inst Technol, Inst Theoret Teilchenphys, Karlsruhe, Germany
[2] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany
[3] Univ Hamburg, Inst Theoret Phys 2, Luruper Chaussee 149, D-22761 Hamburg, Germany
[4] Budker Inst Nucl Phys, Novosibirsk, Russia
[5] Novosibirsk State Univ, Novosibirsk, Russia
来源：
NUCLEAR PHYSICS B | 2022年 / 976卷
基金：
俄罗斯科学基金会;
关键词：
EFFECTIVE FIELD-THEORY; QCD SUM-RULES; COEFFICIENT FUNCTIONS; ANOMALOUS DIMENSION; MASS CORRECTIONS; MATCHING QCD; FORM-FACTORS; RENORMALIZATION;
D O I：
10.1016/j.nuclphysb.2022.115702
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：
Coefficient functions of the operator product expansion of correlators of HQET heavy-light quark currents are calculated up to operators of dimension 4 up to 3 loops. (C) 2022 The Author(s). Published by Elsevier B.V.
引用
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页数：18
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