CLAS physics database search results Measurement E216M736 CLAS12 Run Group A Krishna Chandra 2018 theta(pi-) dsigma/d(−cos(theta_pim)) Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 9 0.666686 0.0779513 0.06619965 27 0.715687 0.0432466 0.05949303 45 0.565189 0.0358285 0.04688833 63 0.585677 0.0517019 0.04702179 81 0.515689 0.036969 0.05088092 99 0.446154 0.0168764 0.03344638 117 0.380915 0.0223297 0.03360649 135 0.327659 0.0652905 0.04056399 153 0.404104 0.0288504 0.03530563 171 0.365985 0.0307199 0.04675129