CLAS physics database search results Measurement E216M432 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 0.77895 0.0608354 0.16873697 27 0.778884 0.0462549 0.13712857 45 0.918551 0.0598536 0.12532665 63 0.97617 0.0510228 0.12050789 81 1.11887 0.0514349 0.10022402 99 1.14131 0.0300159 0.09416454 117 1.33924 0.126824 0.12094345 135 1.29821 0.0832848 0.12313466 153 1.14974 0.0417956 0.09365718 171 1.2121 0.072145 0.12227804