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Effect of states on decays
Yun-Hua Chen, Johanna T. Daub, Feng-Kun Guo +3
Within the framework of dispersion theory, we analyze the dipion transitions between the lightest states, with . In particular, we co…
Constraints on the chiral unitary amplitude from photoproduction data
Maxim Mai
A chiral unitary approach for antikaon-nucleon scattering in on-shell factorization is studied. We find multiple sets of parameters for which the model describes all existing hadro…
Baryon chiral perturbation theory extended beyond the low-energy region
E. Epelbaum, J. Gegelia, Ulf-G. Meißner +1
We consider an extension of the one-nucleon sector of baryon chiral perturbation theory beyond the low-energy region. The applicability of this approach for higher energies is rest…
Roy-Steiner-equation analysis of pion-nucleon scattering
Martin Hoferichter, Jacobo Ruiz de Elvira, Bastian Kubis +1
We review the structure of Roy-Steiner equations for pion-nucleon scattering, the solution for the partial waves of the t-channel process , as well as the high-accu…
Violations of discrete space-time symmetries in chiral effective field theory
J. de Vries, Ulf-G. Meißner
We review recent progress in the theoretical description of the violation of discrete space-time symmetries in hadronic and nuclear systems. We focus on parity-violating and time-r…
Towards an improved understanding of
S. Holz, J. Plenter, C. W. Xiao +5
We argue that high-quality data on the reaction will allow one to determine the doubly-virtual form factor in a model-independent way with control…