CLAS physics database search results Measurement E62M703 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 3.6201413 0.40587354 108 3.9133954 0.36761576 180 3.1247752 0.41962725 251.99998 3.8704815 0.39578852 324 3.508399 0.3383179