CLAS physics database search results Measurement E216M270 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 0.799524 0.151184 0.17392292 27 0.754218 0.113981 0.15342893 45 0.619537 0.0497871 0.11705902 63 0.659984 0.0388974 0.09586807 81 0.72762 0.0426089 0.07526724 99 0.805132 0.0439406 0.07388687 117 0.806285 0.0330269 0.05857775 135 0.992093 0.125522 0.11842138 153 1.00824 0.0544102 0.08632132 171 1.24459 0.130987 0.12062105