CLAS physics database search results Measurement E62M451 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 1.9712809 0.2711823 108 2.4240851 0.35995558 180 1.9732536 0.38071948 251.99998 2.0653441 0.33602116 324 1.7743336 0.24572679