CLAS physics database search results Measurement E15M71 E99-105 M. Garçon, M. Guidal, E. S. Smith 2002 phi dsigma/dphi Data errors deg mcbn/rad mcbn/rad 20 0.03340788 0.004998824 60 0.03806271 0.005599341 100 0.03616115 0.00580544 140 0.01883126 0.006572436 220 0.02213713 0.006062788 260 0.03806492 0.004313497 300 0.02653838 0.004717156 340 0.02937287 0.004892156