CLAS physics database search results Measurement E62M152 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 5.3171701 0.28898087 108 6.2748642 0.3615596 180 7.5024095 0.3826381 251.99998 6.7405205 0.53038657 324 5.7365942 0.41708601