CLAS physics database search results Measurement E216M909 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 0.0229669 0.00155267 0.01692773 27 0.0809883 0.0187087 0.0196372 45 0.145053 0.0691843 0.03291211 63 0.0886913 0.0152029 0.01611873 81 0.137889 0.043901 0.01547799 99 0.120218 0.0179595 0.0144137 117 0.122694 0.0169928 0.01557867 135 0.140797 0.0214746 0.01545003 153 0.113903 0.0225029 0.01591819 171 0.165353 0.0584581 0.0377461