CLAS physics database search results Measurement E163M58 E1-DVCS E06-003 Francois-Xavier Girod 2005 phi A Data errors deg dimensionless dimensionless 21.522 0.2476 0.1189 43.3482 -0.013 0.0641 71.9022 0.1258 0.1133 104.9347 -0.0489 0.1182 133.6404 -0.3814 0.1305 162.5558 0.0575 0.1636 201.1095 -0.5074 0.2338 223.0241 -0.1502 0.138 255.5426 -0.0334 0.0852 287.0341 -0.1982 0.116 318.1127 -0.0508 0.0663 339.0533 -0.0251 0.0223