CLAS physics database search results Measurement E216M495 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 0.984924 0.0739134 0.14715068 27 0.822557 0.0630718 0.0943739 45 0.693075 0.0239494 0.06154134 63 0.639536 0.0185294 0.05428328 81 0.803949 0.0228684 0.07279543 99 0.969324 0.0287546 0.0737834 117 1.12186 0.040211 0.08505744 135 1.33917 0.0345252 0.1050985 153 1.80203 0.131222 0.16371167 171 2.60507 0.0842308 0.22096084