CLAS physics database search results Measurement E216M954 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 0.107019 0.0189199 0.02486587 27 0.187964 0.0454091 0.03392245 45 0.178626 0.0256614 0.02335941 63 0.175893 0.0239439 0.0204603 81 0.199686 0.0264902 0.01917032 99 0.313395 0.0606072 0.05758678 117 0.287289 0.039531 0.02736643 135 0.275674 0.0232074 0.02380376 153 0.254586 0.0279071 0.02207029 171 0.270919 0.0570148 0.04180171