CLAS physics database search results Measurement E62M654 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(p) dsigma/dphi_pr Data errors deg mcbn/rad mcbn/rad 36 1.7326127 0.32068089 108 1.7085067 0.30901977 180 2.2227693 0.31390831 251.99998 2.3049204 0.33003488 324 0.80519783 0.1223392