CLAS physics database search results Measurement E216M459 CLAS12 Run Group A Krishna Chandra 2018 theta(p) dsigma/d(−cos(theta_pr)) Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 9 1.17049 0.0688631 0.19892138 27 0.951061 0.0449797 0.137694 45 0.898983 0.0404381 0.11023245 63 0.973645 0.0405712 0.10450604 81 1.17931 0.0549664 0.1089106 99 1.29447 0.0299676 0.11459499 117 1.2345 0.0303697 0.10470672 135 1.18889 0.0436009 0.1019101 153 1.2053 0.0425083 0.09665635 171 1.3744 0.0641812 0.12193575