Precision calculation of the axion-nucleon coupling in chiral perturbation theory
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.
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| Hlavní autoři: | , , |
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| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
SpringerOpen
2020-03-01
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| Edice: | Journal of High Energy Physics |
| Témata: | |
| On-line přístup: | http://link.springer.com/article/10.1007/JHEP03(2020)138 |
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