CLAS physics database search results Measurement E213M536 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 3.1356 0.172 0.3663 0.4047 27 2.9579 0.1103 0.34 0.3574 45 2.9589 0.1447 0.3504 0.3791 63 3.2491 0.1245 0.3784 0.3983 81 3.154 0.1016 0.372 0.3857 99 3.3131 0.1143 0.3882 0.4047 117 3.0528 0.1218 0.3784 0.3975 135 2.3892 0.1466 0.4409 0.6276 153 2.2838 0.1974 0.9857 1.4022 171 2.8245 0.0036 1.6873 2.3836