CLAS physics database search results Measurement E216M997 CLAS12 Run Group A Krishna Chandra 2018 theta(pi-) dsigma/d(−cos(theta_pim)) Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 9 0.423515 0.0617337 0.05197402 27 0.283666 0.0850569 0.03427027 45 0.354808 0.0393859 0.03765722 63 0.251077 0.0193337 0.02639621 81 0.246058 0.0221522 0.02880283 99 0.217167 0.0206627 0.02549045 117 0.1939 0.0148388 0.02117284 135 0.127663 0.0278571 0.01815736 153 0.177856 0.0274028 0.02717605 171 0.163051 0.025448 0.02848552