CLAS physics database search results Measurement E1M678 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(pi+) dsigma/dphi_pip Stat. error deg mcbn/rad mcbn/rad 216 3.0670781 0.16006429 288 2.4923759 0.18420286 0 2.855957 0.26877391 71.99998 2.5345209 0.14034866 144 2.7833126 0.17234318