CLAS physics database search results Measurement E15M67 E99-105 M. Garçon, M. Guidal, E. S. Smith 2002 phi dsigma/dphi Data errors deg mcbn/rad mcbn/rad 20 0.05812783 0.007683352 60 0.04703502 0.007307312 100 0.05597767 0.00555792 140 0.05492843 0.00814561 220 0.05354901 0.009504514 260 0.0554649 0.005974563 300 0.04914265 0.005792586 340 0.05437326 0.007079357