CLAS physics database search results Measurement E62M461 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi+) dsigma/dphi_pip Data errors deg mcbn/rad mcbn/rad 36 3.5727038 0.2637907 108 2.921175 0.30159867 180 3.5435755 0.80801725 251.99998 2.5884521 0.23028818 324 3.2759597 0.26413873