CLAS physics database search results Measurement E62M176 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 5.0294805 0.30363855 108 5.8251724 0.37183017 180 6.265677 0.35287726 251.99998 6.3994451 0.67494071 324 4.7416258 0.33365455