CLAS physics database search results Measurement E159M176 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 3.12866 0.664488 27 2.74213 0.477886 45 2.04393 0.398154 63 2.1865 0.41122 81 3.54256 0.625617 99 4.3657 0.726195 117 4.3447 0.729458 135 4.33598 0.735879 153 4.44755 0.796986 171 4.05336 0.884588