CLAS physics database search results Measurement E15M55 E99-105 M. Garçon, M. Guidal, E. S. Smith 2002 phi dsigma/dphi Data errors deg mcbn/rad mcbn/rad 20 0.06979146 0.007726888 60 0.07825159 0.007948932 100 0.07658258 0.007018091 140 0.07617836 0.008554101 180 0.02420331 0.01917481 220 0.09179379 0.008743581 260 0.06532422 0.006407824 300 0.07616304 0.008320313 340 0.07918046 0.007990328