CLAS physics database search results Measurement E62M320 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 1.2859026 0.2591829 108 1.8683108 0.45721346 180 2.0788126 0.33355841 251.99998 1.2088748 0.14415167 324 1.0114348 0.17643175