CLAS physics database search results Measurement E213M176 E1-6, 2025 R.W. Gothe, A. Trivedi 2001 theta(pi+) dsigma/d(−cos(theta_pip)) Stat. error Syst. error Total error deg mcb/rad mcb/rad mcb/rad mcb/rad 9 3.0516 0.2641 0.4327 0.613 27 2.8421 0.1634 0.3407 0.4981 45 2.5512 0.1287 0.314 0.3393 63 2.0981 0.1108 0.2869 0.3075 81 2.3229 0.1309 0.2921 0.3201 99 2.1147 0.0984 0.2791 0.2959 117 2.0701 0.1448 0.3633 0.3911 135 1.7409 0.1034 0.6476 0.6558 153 2.1058 0.0049 1.2839 1.8164 171 2.0471 0.005 1.2481 1.7629