CLAS physics database search results Measurement E62M557 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi+) dsigma/dphi_pip Data errors deg mcbn/rad mcbn/rad 36 2.0473235 0.22702388 108 1.7949409 0.23122627 180 1.8715889 0.35294774 251.99998 1.7602285 0.3070578 324 2.0131593 0.1940809