CLAS physics database search results Measurement E216M243 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 2.05677 0.113273 0.3209597 27 1.94132 0.127615 0.21603835 45 1.43834 0.0791107 0.14661425 63 1.19489 0.0453462 0.1027054 81 1.29774 0.027378 0.10884109 99 1.77492 0.0344635 0.14720562 117 2.03323 0.0465328 0.1545569 135 2.3974 0.0438349 0.18874907 153 3.57026 0.074418 0.27506124 171 4.63111 0.203461 0.39951851