CLAS physics database search results Measurement E79M13 E93-031 B. Ritchie 2002 theta dsigma/dOmega Data errors deg mcbn/sterad mcbn/sterad 134.5 0.102 0.014 120.1 0.178 0.017 107.5 0.165 0.017 95.8 0.217 0.019 84.3 0.255 0.023 72.6 0.274 0.023 60 0.336 0.026 45.6 0.295 0.03