CLAS physics database search results Measurement E62M692 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 2.2769222 0.20751762 108 3.1682546 0.36052269 180 4.7544007 0.34847173 251.99998 3.3504224 0.45397568 324 2.6868019 0.25497156