CLAS physics database search results Measurement E62M185 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi+) dsigma/dphi_pip Data errors deg mcbn/rad mcbn/rad 45 0.88290495 0.15387224 135 0.49810514 0.11340569 225 0.44617638 0.085443221 315 0.74911821 0.12152861