CLAS physics database search results Measurement E62M523 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 4.3500834 0.33429855 108 5.0044589 0.37865305 180 4.7627764 0.42399535 251.99998 5.034605 0.4523443 324 4.6444774 0.30811092