CLAS physics database search results Measurement E62M655 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 1.8162575 0.33935484 108 1.9531488 0.39070687 180 1.5880721 0.3690758 251.99998 2.1399796 0.31985119 324 1.9366118 0.37253132