CLAS physics database search results Measurement E163M61 E1-DVCS E06-003 Francois-Xavier Girod 2005 phi A Data errors deg dimensionless dimensionless 18.5492 0.1444 0.0775 43.621 0.3425 0.0787 70.5324 0.1459 0.1388 106.9608 -0.0486 0.1073 132.5643 0.0564 0.1207 162.0803 0.1565 0.3667 203.8512 -0.3586 0.4376 227.3482 -0.0571 0.1304 254.6396 -0.1299 0.1073 287.0302 0.0296 0.1377 316.6329 -0.1705 0.0766 340.7574 -0.0394 0.0609