CLAS physics database search results Measurement E62M619 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 3.5293295 0.2694844 108 5.3096175 0.51316726 180 5.4152474 0.59753901 251.99998 5.0404019 0.43029213 324 3.9975448 0.32615194