CLAS physics database search results Measurement E154M10 eg1-dvcs A. Kim 2009 -t A_LL^const Data errors Systematic errors (GeV/c)^2 0.27 0.701 0.04 0.059 0.52 0.664 0.023 0.032 0.88 0.486 0.028 0.013 1.24 0.499 0.038 0.016 1.59 0.446 0.047 0.034