CLAS physics database search results Measurement E62M247 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 4.7693491 0.40621817 108 5.5032706 0.43980771 180 4.2175794 0.3682577 251.99998 5.3847752 0.36938539 324 6.2257104 0.49914104