Precision calculation of the axion-nucleon coupling in chiral perturbation theory

被引：22

作者：

Vonk, Thomas ^{[1
,2
]}

Guo, Feng-Kun ^{[3
,4
]}

Meissner, Ulf-G ^{[1
,2
,5
,6
,7
]}

机构：

[1] Univ Bonn, Helmholtz Inst Strahlen & Kernphys, D-53115 Bonn, Germany

[2] Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany

[3] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China

[4] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China

[5] Forschungszentrum Julich, Inst Kernphys, Inst Adv Simulat, D-52425 Julich, Germany

[6] Forschungszentrum Julich, Julich Ctr Hadron Phys, D-52425 Julich, Germany

[7] Tbilisi State Univ, GE-0186 Tbilisi, Georgia

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2020年 / 2020卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Chiral Lagrangians; Effective Field Theories; CP CONSERVATION; INVISIBLE AXION; NEUTRINO; CONSTRAINTS; INVARIANCE; SCATTERING;

D O I：

10.1007/JHEP03(2020)138

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 derive the axion-nucleon interaction Lagrangian in heavy baryon chiral perturbation theory up to next-to-next-to-leading order. The effective axion-nucleon coupling is calculated to a few percent accuracy.

引用

页数：19

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