CLAS physics database search results Measurement E62M379 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 4.6718798 0.3327502 108 5.5514369 0.39854625 180 4.5444946 0.38498837 251.99998 5.1889253 0.43752393 324 4.2087965 0.25772029