CLAS physics database search results Measurement E163M49 E1-DVCS E06-003 Francois-Xavier Girod 2005 phi A Data errors deg dimensionless dimensionless 15.4342 0.1372 0.0468 43.8611 0.2251 0.0567 73.7407 0.3121 0.077 101.8987 0.2743 0.1204 134.5621 -0.0817 0.2219 161.9045 -0.5117 0.3139 192.3427 -0.0052 0.3658 225.8475 -0.3367 0.1868 260.6956 -0.1636 0.1358 285.4671 -0.2175 0.0821 316.6904 -0.1763 0.0569 343.8344 -0.0864 0.0454