CLAS physics database search results Measurement E15M56 E99-105 M. Garçon, M. Guidal, E. S. Smith 2002 phi dsigma/dphi Data errors deg mcbn/rad mcbn/rad 20 0.05148433 0.004939425 60 0.04234357 0.00393145 100 0.04139052 0.004129126 140 0.04721798 0.005131396 180 0.0295236 0.00804176 220 0.05396169 0.00458757 260 0.04238116 0.003967798 300 0.04350055 0.004048512 340 0.05340916 0.005638201