CLAS physics database search results Measurement E1M389 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(pi+) dsigma/dphi_pip Stat. error deg mcbn/rad mcbn/rad 216 4.5000796 0.21685693 288 3.56828 0.20497762 0 4.4831309 0.30083311 71.99998 3.5657241 0.18445152 144 4.7056046 0.22475079