CLAS physics database search results Measurement E213M230 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 3.3219 0.2382 0.4384 0.6198 27 3.2085 0.1346 0.3977 0.5602 45 2.7168 0.2301 0.3828 0.4466 63 2.6834 0.1294 0.3516 0.3746 81 2.7188 0.1145 0.3542 0.3722 99 2.7223 0.1577 0.357 0.3903 117 2.7421 0.122 0.3894 0.4081 135 2.6922 0.1976 0.574 0.6071 153 2.2132 0.1105 1.2052 1.7011 171 2.5916 0.0039 1.5709 2.2237