CLAS physics database search results Measurement E216M711 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 0.406905 0.0377926 0.05470108 27 0.418465 0.0487909 0.05659828 45 0.343005 0.0266575 0.03345471 63 0.363891 0.0177398 0.03704268 81 0.491136 0.0293612 0.04474112 99 0.575442 0.0260194 0.04823292 117 0.577811 0.0258844 0.05754835 135 0.506344 0.038251 0.04401209 153 0.501889 0.0312015 0.03901593 171 0.521961 0.0458454 0.05140902