CLAS physics database search results Measurement E62M727 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 60 0.56720674 0.14999366 180 0.68497169 0.14799771 299.99997 0.54235035 0.19863382