CLAS physics database search results Measurement E1M575 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(pi+) dsigma/dphi_pip Stat. error deg mcbn/rad mcbn/rad 216 3.2032857 0.14574939 288 2.913543 0.11937968 0 3.1103272 0.16578387 71.99998 2.9319267 0.13049246 144 3.2007847 0.14200568