CLAS physics database search results Measurement E62M416 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 4.5973911 0.37260568 108 4.9490252 0.29783419 180 6.0306835 0.48903215 251.99998 5.214088 0.3177349 324 4.3933902 0.36340874