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Two-pion decays of mesons and confinement singularities
A. V. Anisovich, V. V. Anisovich, M. A. Matveev +3
We consider the two-pion decay of the -meson, the -state of the constituent quarks -- the decay being determined by the transition contains informa…
Photoproduction of mesons off neutrons from a deuteron target
A. V. Anisovich, I. Jaegle, E. Klempt +4
A formalism is developed for the partial wave analysis of data on meson photoproduction off deuterons and applied to photoproduction of and mesons. Different interpretati…
New results on the Roper resonance and the P_{11} partial wave
A. V. Sarantsev
Properties of the Roper resonance, the first scalar excitation of the nucleon, are determined. Pole positions and residues of the partial wave are studied in a combined an…
Baryon-baryon and baryon-antibaryon interaction amplitudes in the spin--momentum operator expansion method
A. V. Anisovich, V. V. Anisovich, E. Klempt +2
Partial wave scattering amplitudes in baryon-baryon and baryon-antibaryon collisions and amplitudes for the production and decay of baryon resonances are constructed in the framewo…