CLAS physics database search results Measurement E213M346 E1-6, 2025 R.W. Gothe, A. Trivedi 2001 theta(pi-) dsigma/d(−cos(theta_pim)) Stat. error Syst. error Total error deg mcb/rad mcb/rad mcb/rad mcb/rad 9 4.2356 0.3182 0.6185 0.6956 27 4.0306 0.2094 0.4499 0.4962 45 2.8675 0.5544 0.3682 0.6656 63 3.0341 0.1494 0.3983 0.4254 81 3.1689 0.1167 0.4146 0.4307 99 2.6692 0.1568 0.3686 0.4006 117 2.4942 0.1098 0.3534 0.3701 135 2.6732 0.1355 0.3788 0.5334 153 2.7433 0.1323 0.351 1.1854 171 3.7881 0.2928 0.5664 1.4114