CLAS physics database search results Measurement E79M5 E93-031 B. Ritchie 2002 theta dsigma/dOmega Data errors deg mcbn/sterad mcbn/sterad 134.5 0.418 0.024 120.1 0.433 0.023 107.5 0.43 0.025 95.8 0.425 0.024 84.3 0.361 0.026 72.6 0.311 0.025 60 0.245 0.029 45.6 0.315 0.045