Precision calculation of the axion-nucleon coupling in chiral perturbation theory
Thomas Vonk, Feng-Kun Guo, Ulf-G. Meißner
Journal of High Energy Physics · 2020
doi:10.1007/jhep03(2020)138 (opens in a new tab)
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Abstract
Abstract 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.
Abstract licence: CC BY
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