CLAS physics database search results Measurement E62M186 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(p) dsigma/dphi_pr Data errors deg mcbn/rad mcbn/rad 45 0.28139749 0.06044421 135 0.91619956 0.21782961 225 0.94616002 0.17487954 315 0.29918322 0.077922352