CLAS physics database search results Measurement E1M437 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(pi+) dsigma/dphi_pip Stat. error deg mcbn/rad mcbn/rad 216 3.9438431 0.18462431 288 3.6414721 0.19275922 0 4.0758762 0.22419681 71.99998 3.7928846 0.18384525 144 4.2604055 0.18819974