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Glueballs, Hybrids, Multiquarks. Experimental facts versus QCD inspired concepts
Eberhard Klempt, Alexander Zaitsev
The spectroscopy of light and heavy mesons is reviewed with emphasis on glueballs, hybrids, and tetraquarks.
Further evidence for N(1900)P_{13} from photoproduction of hyperons
V. A. Nikonov, A. V. Anisovich, E. Klempt +2
We report further evidence for from an analysis of a large variety of photo- and pion-induced reactions, in particular from the new CLAS measurements of double pola…
Baryon resonances and polarization transfer in hyperon photoproduction
A. V. Anisovich, V. Kleber, E. Klempt +3
A partial wave analysis is presented of data on photoproduction of hyperons including single and double polarization observables. The large spin transfer probability reported by th…
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…