CLAS physics database search results Measurement E62M725 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi+) dsigma/dphi_pip Stat. error deg mcbn/rad mcbn/rad 45 0.56306285 0.10798429 135 0.38739693 0.10883277 225 0.42718577 0.13303101 315 0.87001538 0.18779719