CLAS physics database search results Measurement E62M704 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 3.1102738 0.3957741 108 3.3711758 0.30443406 180 4.0974789 0.27787223 251.99998 3.8944206 0.3753784 324 2.6027348 0.24043351