CLAS physics database search results Measurement E216M378 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 1.34134 0.108285 0.18340979 27 1.09374 0.059995 0.1177798 45 0.901626 0.0331464 0.07843054 63 0.957586 0.159134 0.13655633 81 0.977016 0.0326168 0.07706333 99 1.30796 0.04087 0.09949679 117 1.46231 0.0466324 0.17843159 135 1.82789 0.0461382 0.13895322 153 2.78048 0.0641841 0.20354688 171 3.74005 0.151887 0.30259825