CLAS physics database search results Measurement E62M500 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 3.8500471 0.45441195 108 4.8412724 0.31732085 180 5.7468805 0.4231011 251.99998 4.7184258 0.37632191 324 3.7764149 0.28942329