CLAS physics database search results Measurement E213M347 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 4.5331 0.2189 0.5004 0.7282 27 3.9849 0.1853 0.4497 0.6471 45 3.3311 0.2147 0.432 0.62 63 2.8898 0.1524 0.3734 0.4033 81 2.8798 0.1214 0.3748 0.3939 99 3.0777 0.1655 0.3886 0.4223 117 3.2765 0.1196 0.4135 0.4305 135 2.4771 0.1373 0.4093 0.5774 153 1.6663 0.0995 0.6312 1.2678 171 2.7188 0.0062 1.5937 2.2556