CLAS physics database search results Measurement E62M498 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(p) dsigma/dphi_pr Data errors deg mcbn/rad mcbn/rad 36 4.021935 0.34597328 108 4.7077155 0.28672907 180 7.0110893 1.0231408 251.99998 4.3942904 0.33967173 324 3.7419612 0.32314187