CLAS physics database search results Measurement E159M185 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 3.77742 0.833049 27 3.30297 0.570073 45 2.20839 0.394239 63 2.1772 0.402404 81 3.61927 0.627655 99 4.53553 0.769633 117 4.37415 0.73894 135 4.48968 0.794695 153 5.50408 0.9652 171 5.2276 1.05471