Measurement of the helicity asymmetry E for the γ→p→→pπ0 reaction in the resonance region: The CLAS Collaboration. - Kim, C. W.; Zachariou, N.; Bashkanov, M.; Briscoe, W. J.; Fegan, S.; Kashevarov, V. L.; Nikonov, K.; Sarantsev, A.; Schmidt, A.; Strakovsky, I. I.; Watts, D. P.; Workman, R. L.; et al. (European Physical Journal A -- Hadrons & Nuclei, 2023)