http://arxiv.org/abs/2001.05327
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.
T. Vonk, F. Guo and U. Meißner
Thu, 16 Jan 20
9/46
Comments: 20 pages
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