CLAS physics database search results Measurement E62M259 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 5.3019323 0.33159181 108 6.1308327 0.3635141 180 5.1892052 0.56902236 251.99998 6.5549197 0.47275126 324 5.0090156 0.32811448