  By extending the dynamical coupled-channels analysis performed in our
previous work [Phys. Rev. C 88, 035209 (2013)] to include the available data of
photoproduction of pi meson off the neutron, the transition amplitudes for the
photo-excitation of the neutron to nucleon resonances, gamma n --> N*, at the
resonance pole positions are determined. The combined fits to the data for both
the proton- and neutron-target reactions also revise our results for the
resonance pole positions and the gamma p --> N* transition amplitudes. Our
results allow an isospin decomposition of the gamma N --> N* transition
amplitudes for the isospin I=1/2 N* resonances, which is necessary for testing
hadron structure models and gives crucial inputs for constructing models of
neutrino-induced reactions in the nucleon resonance region.
