Anomalous dimensions from gauge couplings in SMEFT with right-handed neutrinos

被引：12

作者：

Datta, Alakabha ^{[1
]}

Kumar, Jacky ^{[2
]}

Liu, Hongkai ^{[3
]}

Marfatia, Danny ^{[4
]}

机构：

[1] Univ Mississippi, Dept Phys & Astron, University, MS 38677 USA

[2] Univ Montreal, Phys Particules, CP 6128, Montreal, PQ H3C 3J7, Canada

[3] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA

[4] Univ Hawaii Manoa, Dept Phys & Astron, Honolulu, HI 96822 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2021年 / 2021卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Effective Field Theories; Neutrino Physics;

D O I：

10.1007/JHEP02(2021)015

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：

Standard Model Neutrino Effective Field Theory (SMNEFT) is an effective theory with Standard Model (SM) gauge-invariant operators constructed only from SM and right-handed neutrino fields. For the full set of dimension-six SMNEFT operators, we present the gauge coupling terms of the one-loop anomalous dimension matrix for renormalization group evolution (RGE) of the Wilson coefficients between a new physics scale and the electroweak scale. We find that the SMNEFT operators can be divided into five subsets which are closed under RGE. Our results apply for both Dirac and Majorana neutrinos. We also discuss the operator mixing pattern numerically and comment on some interesting phenomenological implications.

引用

页数：19

共 50 条

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Alakabha Datta
Jacky Kumar
Hongkai Liu
Danny Marfatia
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