CLAS physics database search results Measurement E62M91 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 4.3703051 0.33661875 108 4.435348 0.29949594 180 3.4275596 0.3357614 251.99998 4.8855896 0.46617496 324 4.314949 0.5724144