Measurement of the beam-helicity asymmetry $I^{\odot }$ in the photoproduction of ${\pi }^0{\pi }^{\pm }$-pairs off protons and off neutrons

M. Oberle, J. Ahrens, J. R. M. Annand +72

Beam-helicity asymmetries have been measured at the MAMI accelerator in Mainz for the photoproduction of mixed-charge pion pairs in the reactions $\mathbf{\gamma }p\to n{\pi }^0{\pi }^{+}$…