CLAS physics database search results Measurement E62M476 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 3.2728007 0.40029877 108 4.0726633 0.47982702 180 4.8349261 0.32453933 251.99998 3.8918929 0.32828751 324 3.5093136 0.38851023