CLAS physics database search results Measurement E62M450 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(p) dsigma/dphi_pr Data errors deg mcbn/rad mcbn/rad 36 1.3963568 0.21779133 108 2.6910489 0.58729935 180 2.3247902 0.2799384 251.99998 1.9430766 0.21556647 324 1.5653101 0.25805718