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Well-established nucleon resonances revisited by double-polarization measurements
A. Thiel, A. V. Anisovich, D. Bayadilov +64
The first measurement is reported of the double-polarization observable G in photoproduction of neutral pions off protons, covering the photon energy range from 620 to 1120 MeV and…
Hadron Spectroscopy, Results and Ideas
E. Klempt
New results on the spectrum of nucleon resonances from the Bonn-Gatchina partial wave analysis are presented, and possible interpretations are discussed.
Pion- and photo-induced transition amplitudes to , , and
A. V. Anisovich, R. Beck, E. Klempt +3
Pion and photo-induced inelastic reactions off protons are studied in a multichannel partial-wave analysis. Properties of nucleon and resonances are derived and compared to pre…
Transparency ratio in γA -> η' A' and the in-medium η' width
M. Nanova, V. Metag, A. Ramos +58
The photoproduction of η'-mesons off different nuclei has been measured with the CBELSA/TAPS detector system for incident photon energies between 1500 - 2200 MeV. The transparency…