CLAS physics database search results Measurement E62M726 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(p) dsigma/dphi_pr Stat. error deg mcbn/rad mcbn/rad 45 0.62284547 0.25707424 135 0.57576919 0.11363256 225 0.58687431 0.12482488 315 0.51575768 0.21855247