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nucl-th2003
Kinematical classification of two-pion production on the nucleon
N. E. Ligterink
We give a full kinematical classification of all the tree-level two-pion photoproduction processes on the nucleon, which consists of seventeen diagrams. It suggests a method of ana…
nucl-th2002
Fano theory for hadronic resonances: the rho meson and the pionic continuum
N. E. Ligterink
We develop a model-independent analysis of hadronic scattering data in the resonance region, where the resonance shape follows from the matrix elements of a Hamiltonian. We investi…