CLAS physics database search results Measurement E213M302 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 3.532 0.2173 0.4085 0.5768 27 3.5662 0.1524 0.3885 0.4923 45 3.1681 0.2099 0.3938 0.4463 63 3.1474 0.1228 0.3624 0.3826 81 3.5963 0.1575 0.4126 0.4416 99 3.906 0.1302 0.4301 0.4494 117 3.8522 0.1544 0.4445 0.4706 135 2.6515 0.1543 0.4465 0.6299 153 2.1325 0.1108 0.8726 1.3128 171 3.0488 0.0036 1.7912 2.5348