CLAS physics database search results Measurement E213M401 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 4.8644 0.2265 0.5994 0.6408 27 3.4344 0.2068 0.5218 0.5613 45 2.9261 0.1476 0.4491 0.4727 63 2.4037 0.1292 0.4197 0.4391 81 2.2157 0.0937 0.3485 0.3609 99 2.2422 0.0839 0.359 0.3687 117 2.3638 0.1213 0.3857 0.4043 135 1.7454 0.1053 0.368 0.3828 153 1.3991 0.0956 0.5326 0.5411 171 2.1979 0.0189 1.302 1.3022