CLAS physics database search results Measurement E1M174 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(p) dsigma/dphi_pr Stat. error deg mcbn/rad mcbn/rad 216 1.8320421 0.3404378 288 2.0872896 0.34837767 0 1.8889958 0.36309519 71.99998 1.9231982 0.24064788 144 1.8892127 0.23085339