CLAS physics database search results Measurement E216M801 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 0.0858308 0.0186457 0.02559462 27 0.112292 0.017675 0.02422271 45 0.115627 0.0136117 0.0199315 63 0.157589 0.0249469 0.01957535 81 0.330759 0.0889792 0.07510891 99 0.22191 0.0156498 0.02370154 117 0.28135 0.0278693 0.02857236 135 0.241311 0.0196337 0.02473026 153 0.279665 0.0281211 0.02769731 171 0.25584 0.0450736 0.0256465