CLAS physics database search results Measurement E62M547 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 1.0543958 0.30825236 108 1.2795951 0.23828569 180 0.68497187 0.12260638 251.99998 0.91959685 0.18144959 324 1.1619717 0.24072559