CLAS physics database search results Measurement E62M572 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 1.8170223 0.29646841 108 2.3120668 0.27082151 180 3.6820197 0.47203755 251.99998 2.9863627 0.35650757 324 2.0175905 0.20963565