CLAS physics database search results Measurement E62M520 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi-) dsigma/dphi_pim Data errors deg mcbn/rad mcbn/rad 36 5.3619642 0.47427374 108 4.8361144 0.2866677 180 4.875165 0.33853522 251.99998 4.738966 0.373005 324 3.9841902 0.41665417