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Meson-baryon Scattering in Extend-on-mass-shell scheme at $\mathcal{O}(p^3)$ (1902.03395v2)
Published 9 Feb 2019 in hep-ph
Abstract: In this present work, we study the scattering of a pseudoscalar meson off one ground state octet baryon in covariant baryon chiral perturbation theory up to the next-to-next-to-leading order. We remove the power counting breaking terms with the extended-on-mass-shell scheme. We perform the first combined study of the pion-nucleon and kaon-nucleon scattering data and show that the covariant baryon Chiral perturbation theory can provide a reasonable description of the experimental data for both channels.
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