CLAS physics database search results Measurement E216M729 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 0.0347217 0.04960797 27 0.363671 0.0272815 0.04535236 45 0.380318 0.044105 0.06275301 63 0.328554 0.0179318 0.0290789 81 0.389483 0.0160651 0.03137408 99 0.548833 0.0275998 0.05124076 117 0.56792 0.0300368 0.04541281 135 0.553127 0.0276504 0.04449351 153 0.480301 0.252753 0.16481725 171 0.921361 0.0604604 0.07796535