CLAS physics database search results Measurement E163M2 E1-DVCS E06-003 Francois-Xavier Girod 2005 phi A Data errors deg dimensionless dimensionless 17.3932 0.1082 0.0227 43.4416 0.1601 0.0195 75.3442 0.2806 0.0259 103.1776 0.2495 0.0302 136.2464 0.1064 0.0421 162.9244 0.0681 0.0428 197.44 -0.0966 0.0429 223.8131 -0.1754 0.0406 257.0253 -0.2777 0.0293 285.3543 -0.2455 0.0257 315.8994 -0.1556 0.0185 341.6751 -0.077 0.0257