CLAS physics database search results Measurement E79M9 E93-031 B. Ritchie 2002 theta dsigma/dOmega Data errors deg mcbn/sterad mcbn/sterad 134.5 0.165 0.018 120.1 0.2 0.019 107.5 0.221 0.022 95.8 0.285 0.024 84.3 0.275 0.026 72.6 0.286 0.024 60 0.282 0.026 45.6 0.272 0.042