CLAS physics database search results Measurement E216M783 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 0.131997 0.0365957 0.03255075 27 0.108596 0.0148405 0.02230995 45 0.11475 0.015928 0.02031399 63 0.199806 0.0855815 0.05086533 81 0.231169 0.0424847 0.04107731 99 0.151363 0.0158516 0.015642 117 0.203282 0.0200405 0.01834794 135 0.243194 0.0229475 0.02227404 153 0.183658 0.0253229 0.0236986 171 0.267635 0.0557759 0.03485646