CLAS physics database search results Measurement E15M50 E99-105 M. Garçon, M. Guidal, E. S. Smith 2002 phi dsigma/dphi Data errors deg mcbn/rad mcbn/rad 20 0.05545899 0.005831496 60 0.03595665 0.004339959 100 0.05406489 0.004568791 140 0.05643519 0.005136971 180 0.04589264 0.01078733 220 0.05779618 0.005300819 260 0.04123401 0.004307651 300 0.04935227 0.004805659 340 0.04359759 0.005990511