CLAS physics database search results Measurement E163M15 E1-DVCS E06-003 Francois-Xavier Girod 2005 phi A Data errors deg dimensionless dimensionless 17.1754 0.1124 0.0221 43.4671 0.2321 0.0175 72.9762 0.2798 0.029 104.466 0.2561 0.0345 133.4071 0.1867 0.0525 163.6467 0.0185 0.0575 196.9362 -0.0605 0.0588 225.4951 -0.2739 0.0471 257.6624 -0.2513 0.0358 285.6434 -0.2588 0.0277 316.8753 -0.1704 0.0189 342.5843 -0.0644 0.0216