CLAS physics database search results Measurement E163M33 E1-DVCS E06-003 Francois-Xavier Girod 2005 phi A Data errors deg dimensionless dimensionless 17.8914 0.0643 0.0482 44.5593 0.1756 0.0345 73.0102 0.2971 0.0531 104.7902 0.262 0.0677 131.3312 0.1578 0.0979 165.0269 0.1536 0.1904 199.8015 -0.0209 0.1243 224.9904 -0.1491 0.0936 257.3815 -0.1231 0.0649 285.918 -0.3452 0.0531 316.3199 -0.2157 0.0369 341.697 -0.1186 0.0446