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Leading-order Corrections of a Dynamical Model for Electromagnetic Pion Production Reactions
T. Sato, T. -S. H. Lee, T. Nakamura
By applying a unitary transformation method, we have derived the leading-order corrections on the effective Hamiltonian of a dynamical model developed in Phys. Rev. C54, 2660 (1996…
PCAC Relation and Pion Production-Absorption in Nuclei
T. Nogi, T. Sato, H. Ohtsubo
Nuclear PCAC relation is studied in the framework of the effective theory of nuclear interaction, in which the interaction of real pion production-absorption is expressed by many-b…
Comparisons of Model Predictions of Pion Electrioproduction Amplitudes in the low Region
T. Sato, T. -S. H. Lee
Pion electroproduction amplitudes predicted by three theoretical models in the (GeV/c) region are compared. The objective is to facilitate the analyses of the da…
Pion Production Model - Connection between Dynamics and Quark Models
T. -S. H. Lee, T. Sato
We discuss the difficulties in testing the hadron models by using the N^* parameters extracted from the empirical amplitude analyses of the pi-N and gamma-N reaction data. As an al…