CLAS physics database search results Measurement E62M558 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(p) dsigma/dphi_pr Data errors deg mcbn/rad mcbn/rad 36 1.6299168 0.27593908 108 1.541432 0.18030432 180 2.5036776 0.40536112 251.99998 1.9056801 0.22311716 324 1.4257605 0.23105809