CLAS physics database search results Measurement E62M570 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(p) dsigma/dphi_pr Data errors deg mcbn/rad mcbn/rad 36 2.6095078 0.44011542 108 2.4034948 0.20750859 180 2.7232661 0.40887687 251.99998 2.4791338 0.25239983 324 1.7831014 0.41472054