CLAS physics database search results Measurement E216M574 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 0.730604 0.0525795 0.09277515 27 0.703678 0.0315425 0.06988701 45 0.779541 0.0318455 0.07641476 63 0.898349 0.035402 0.09301212 81 0.880298 0.0427352 0.0725607 99 0.771246 0.0313908 0.06589515 117 0.685284 0.0270429 0.05882092 135 0.662282 0.0322707 0.05792893 153 0.692774 0.0409885 0.1003388 171 0.739237 0.0663074 0.08372224