CLAS physics database search results Measurement E62M57 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(p) dsigma/dpsi_pr Data errors deg mcbn/rad mcbn/rad 60 0.98710215 0.12803394 180 0.6698333 0.13549314 299.99997 1.2349747 0.32472813