CLAS physics database search results Measurement E62M488 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 3.4078245 0.29691854 108 4.5239954 0.30657673 180 5.6357193 0.32975814 251.99998 4.2509561 0.38684019 324 3.1466856 0.25569353