CLAS physics database search results Measurement E62M679 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 2.7338402 0.32025161 108 3.1364894 0.31715754 180 2.8282459 0.48922664 251.99998 3.159682 0.412157 324 2.790921 0.41407225