CLAS physics database search results Measurement E62M316 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi-) dsigma/dphi_pim Data errors deg mcbn/rad mcbn/rad 36 1.8658853 0.38803849 108 1.0752344 0.19927786 180 1.1824064 0.16484456 251.99998 1.0242101 0.14579628 324 2.1385179 0.40013826