CLAS physics database search results Measurement E62M537 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(p) dsigma/dpsi_pr Data errors deg mcbn/rad mcbn/rad 60 0.77511388 0.16000146 180 0.33216324 0.07622695 299.99997 0.66732162 0.18169422