Measurement of the helicity asymmetry $\mathbb{E}$ for the $\vec{\gamma }\vec{p}\to p{\pi }^0$ reaction in the resonance region

K. Chan, N. Zachariou, M. Bashkanov +9

The double-spin-polarization observable $\mathbb{E}$ for $\vec{\gamma }\vec{p}\to p{\pi }^0$ has been measured with the CEBAF Large Acceptance Spectrometer (CLAS) at photon beam energies $E_{\gamma }$…