CLAS physics database search results Measurement E1M691 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(pi-) dsigma/dphi_pim Stat. error deg mcbn/rad mcbn/rad 216 3.2712078 0.2837058 288 2.8640242 0.148515 0 2.8001955 0.12818404 71.99998 2.7884274 0.14769626 144 2.8797631 0.20353289