CLAS physics database search results Measurement E1M137 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(p) dsigma/dphi_pr Stat. error deg mcbn/rad mcbn/rad 216 1.7255107 0.20634079 288 1.7914598 0.22035238 0 2.1899292 0.32696569 71.99998 2.2509143 0.37604457 144 2.1373281 0.29954797