期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 3, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP03(2020)138
关键词
Chiral Lagrangians; Effective Field Theories
资金
- National Natural Science Foundation of China (NSFC) [11621131001]
- Deutsche Forschungsgemeinschaft (DFG) [TRR110]
- NSFC [11835015, 11947302]
- Chinese Academy of Sciences (CAS) [QYZDB-SSW-SYS013, XDPB09]
- CAS Center for Excellence in Particle Physics (CCEPP)
- CAS President's International Fellowship Initiative (PIFI) [2018DM0034]
- VolkswagenStiftung [93562]
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.
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