CLAS physics database search results Measurement E216M684 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 0.24756 0.0338081 0.05039682 27 0.428931 0.0662524 0.06235903 45 0.381139 0.0535885 0.04280819 63 0.440004 0.0375531 0.04879094 81 0.416796 0.033798 0.03527039 99 0.548999 0.0300067 0.04616457 117 0.55605 0.0273768 0.04643418 135 0.47766 0.0234575 0.03847732 153 0.51623 0.0312144 0.04266278 171 0.451756 0.0813486 0.11252221