Matching the Standard Model to heavy-quark effective theory and nonrelativistic QCD

被引：0

作者：

Assi, Benoit ^{[1
,4
]}

Kniehl, Bernd A. ^{[1
]}

Soto, Joan ^{[2
,3
]}

机构：

[1] Univ Hamburg, Inst Theoret Phys 2, Luruper Chaussee 149, D-22761 Hamburg, Germany

[2] Univ Barcelona, Dept Fis Quant & Astrofis, Martii Franques 1, Barcelona 08028, Catalonia, Spain

[3] Univ Barcelona, Inst Ciencies Cosmos, Martii Franques 1, Barcelona 08028, Catalonia, Spain

[4] Fermilab Natl Accelerator Lab, Theory Div, POB 500,MS 106, Batavia, IL 60510 USA

来源：

NUCLEAR PHYSICS B | 2023年 / 992卷

关键词：

TOP-QUARK; RADIATIVE-CORRECTIONS; MASSES; DEFINITION; FEYNCALC; PACKAGE; MESONS; POLE;

D O I：

10.1016/j.nuclphysb.2023.116173

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 find the leading electroweak corrections to the Lagrangians of heavy-quark effective theory and non -relativistic QCD. These corrections appear in the Wilson coefficients of the two-and four-quark operators and are considered here at one-loop order through O(1/m3) and O(1/m2), respectively. The two-quark operators through this order include new parity violating terms, which we derive analogously to the parity preserving QCD result at one-loop order.(c) 2023 Published by Elsevier B.V. This is an open access article under the CC BY license (http:// creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3.

引用

页数：21

共 50 条

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