Measurement of 14N( gamma, pi +)14C (g.s.) at 200 MeV: A test of the distorted-wave impulse approximation for charged-pion photoproduction below the Delta (1232) resonance

Phys Rev Lett. 1985 Aug 12;55(7):684-687. doi: 10.1103/PhysRevLett.55.684.
No abstract available