CLAS physics database search results Measurement E62M356 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 3.1098547 0.27075881 108 3.5732787 0.29303649 180 4.4059587 0.26116326 251.99998 4.0787935 0.27363393 324 3.191036 0.41093498