Baryon Spectroscopy          

Transition amplitudes for pion induced reactions, multipoles and polarization observables.
The polarization observables are defined as in Phys.Rev.C46:2430-2455,1992.

Solutions BG2011: Eur.Phys.J. A47 (2011) 153;    Eur.Phys.J. A48 (2012) 15.
Solutions BG2014: Eur.Phys.J. A50 (2014) 74.                                                    


List of the data sets

gamma-proton reactions

gamma-neutron reactions

pion induced reactions

BG2011-01

BG2011-02

BG2014-01

BG2014-02


pi N Amplitudes

Multipoles

Single meson
photoproduction
off proton

Single meson
photoproduction
off neutron
(only BG2011-02)
(only BG2014-02)

Double meson
photoproduction
observables