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Isospin breaking in pion-deuteron scattering and the pion-nucleon scattering lengths
Martin Hoferichter, Vadim Baru, Christoph Hanhart +3
In recent years, high-accuracy data for pionic hydrogen and deuterium have become the primary source of information on the pion-nucleon scattering lengths. Matching the experimenta…
Coupled-channel dynamics in the reactions piN --> piN, etaN, KLambda, KSigma
D. Rönchen, M. Döring, F. Huang +6
Elastic piN scattering and the world data of the family of reactions pi^- p --> eta n, K^0 Lambda$, K^0 Sigma^0, K^+ Sigma^-, and pi^+ p --> K^+ Sigma^+ are described simultaneousl…
The multiple-scattering series in pion-deuteron scattering and the nucleon-nucleon potential: perspectives from effective field theory
V. Baru, E. Epelbaum, C. Hanhart +3
Important contributions to meson-nucleus scattering are produced by terms in the multiple-scattering series, which is defined as the sum of all diagrams where the meson scatters ba…
Pion production in nucleon-nucleon collisions in chiral effective field theory: next-to-next-to-leading order contributions
A. A. Filin, V. Baru, E. Epelbaum +4
A complete calculation of the pion-nucleon loops that contribute to the transition operator for up-to-and-including next-to-next-to-leading order (NLO) in chiral ef…