CLAS physics database search results Measurement E187M59 e1e Y. Tian, R. W. Gothe V.I. Mokeev, and G. Hollis 2022 cos(theta) phi dsigma/dOmega (exclusive) Data errors Systematic errors degree mcbn/sterad mcbn/sterad mcbn/sterad 0.5 90 0.406308 0.0293193 0.0381577 0.7 270 0.76253 0.0537518 0.0615015