CLAS physics database search results Measurement E62M235 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 4.4182487 0.31925714 108 4.6240726 0.36932489 180 3.6319647 0.38165811 251.99998 5.0322018 0.35833162 324 4.4118829 0.37023813