CLAS physics database search results Measurement E62M163 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 6.1658912 0.36026827 108 6.4830241 0.55680388 180 5.8784041 0.72924042 251.99998 6.018805 0.37262964 324 5.566638 0.31870142