CLAS physics database search results Measurement E79M4 E93-031 B. Ritchie 2002 theta dsigma/dOmega Data errors deg mcbn/sterad mcbn/sterad 134.5 0.07 0.0271 120.1 0.0664 0.0247 107.5 0.0602 0.024 95.8 0.062 0.0274 84.3 0.0609 0.0292 72.6 0.0565 0.0293 60 0.0488 0.0325 45.6 0.0523 0.0416