CLAS physics database search results Measurement E62M198 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(p) dsigma/dphi_pr Data errors deg mcbn/rad mcbn/rad 36 1.4099983 0.2185369 108 1.7689992 0.27344692 180 2.6749518 0.53068614 251.99998 1.1572201 0.26545566 324 1.0745834 0.19134869