CLAS physics database search results Measurement E62M224 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 3.1341369 0.29965261 108 3.2255638 0.25815412 180 4.5129662 0.28876236 251.99998 4.2379074 0.54856849 324 3.3821044 0.65416056