CLAS physics database search results Measurement E216M774 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 0.109147 0.0276542 0.0290497 27 0.170031 0.0467251 0.03581046 45 0.0976934 0.0165235 0.01995024 63 0.102329 0.0135979 0.01619212 81 0.145416 0.0284663 0.01657951 99 0.144644 0.0156596 0.01906825 117 0.205703 0.0205712 0.01701717 135 0.204415 0.0234879 0.01914745 153 0.254861 0.0339301 0.02438601 171 0.184636 0.0576355 0.01936993