New Results from the Studies of the $N(1440)1/2^{+}$, $N(1520)3/2^{-}$, and $\Delta (1620)1/2^{-}$ Resonances in Exclusive $ep\to e^{\prime }{p}^{\prime }{\pi }^{+}{\pi }^{-}$ Electroproduction with the CLAS Detector

V. I. Mokeev, V. D. Burkert, D. S. Carman +8

The transition helicity amplitudes from the proton ground state to the $N(1440)1/2^{+}$, $N(1520)3/2^{-}$, and $\Delta (1620)1/2^{-}$ resonances (${\gamma }_{v}p{N}^{\ast }$ electrocouplings) were determined fr…