CLAS physics database search results Measurement E163M50 E1-DVCS E06-003 Francois-Xavier Girod 2005 phi A Data errors deg dimensionless dimensionless 12.8029 -0.0159 0.03 43.5163 -0.0749 0.0655 71.1496 0.015 0.1181 104.3779 0.0998 0.1619 136.7685 -0.2329 0.1228 166.724 -0.0656 0.0921 188.1782 -0.2511 0.1664 228.4346 -0.1631 0.1228 256.3293 -0.0589 0.1629 286.8688 0.0554 0.1142 317.5331 0.0339 0.068 346.5615 0.0034 0.0306