CLAS physics database search results Measurement E62M596 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 2.8595812 0.29433668 108 3.6971526 0.33118126 180 5.0160928 0.40099606 251.99998 4.3002796 0.51704651 324 3.037353 0.37395835