CLAS physics database search results Measurement E62M788 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 2.0773919 0.23838493 108 3.4850221 0.51310873 180 4.2980189 0.32768106 251.99998 3.1020157 0.33207834 324 2.6816902 0.2925292