Measurement of single- and double-polarization observables in the photoproduction of ${\pi }^{+}{\pi }^{-}$~meson pairs off the proton using CLAS at Jefferson Laboratory

P. Roy, S. Cao, V. Crede +141

The photoproduction of ${\pi }^{+}{\pi }^{-}$ meson pairs off the proton has been studied in the reaction $\gamma p\to p{\pi }^{+}{\pi }^{-}$ using the CEBAF Large Acceptance Spectrometer (CLAS) and the frozen-sp…