CLAS physics database search results Measurement E216M918 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 0.03598 0.0111355 0.01329791 27 0.0961249 0.0233993 0.0382744 45 0.0550445 0.0108546 0.0121172 63 0.0445113 0.0215049 0.01128016 81 0.113441 0.0146431 0.01656201 99 0.11042 0.027592 0.01214352 117 0.120205 0.0149633 0.01803864 135 0.136003 0.0361093 0.01727663 153 0.14406 0.0268371 0.01990744 171 0.192575 0.0739699 0.05359346