CLAS physics database search results Measurement E62M439 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 1.0641029 0.15739979 108 1.313355 0.20518859 180 1.0076286 0.19815417 251.99998 1.2940359 0.24586616 324 1.348276 0.21869493