CLAS physics database search results Measurement E1M628 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(pi+) dsigma/dphi_pip Stat. error deg mcbn/rad mcbn/rad 216 3.0885425 0.16941023 288 2.4804354 0.1397265 0 2.8367648 0.32916856 71.99998 2.3172286 0.13236229 144 3.0353322 0.1727429