CLAS physics database search results Measurement E216M657 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 0.170483 0.0406203 0.04920438 27 0.225472 0.031199 0.04212001 45 0.24146 0.03499 0.03320032 63 0.324908 0.0774217 0.07469272 81 0.278696 0.0226204 0.02519192 99 0.26811 0.0191913 0.0224032 117 0.291036 0.0226509 0.02332115 135 0.34166 0.040158 0.0396785 153 0.359929 0.0306203 0.03017159 171 0.424134 0.0636188 0.0496447