CLAS physics database search results Measurement E1M311 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(pi+) dsigma/dphi_pip Stat. error deg mcbn/rad mcbn/rad 216 1.4755543 0.19046743 288 1.2701374 0.14058241 0 1.4371443 0.16225788 71.99998 1.2572807 0.15968725 144 1.5536087 0.22465773