CLAS physics database search results Measurement E216M565 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 0.965131 0.113489 0.12862443 27 0.909824 0.0760851 0.15364992 45 0.94466 0.0413796 0.09191929 63 1.07622 0.0954895 0.09939437 81 0.985458 0.035532 0.09267748 99 1.14006 0.125799 0.12698165 117 0.897314 0.0609315 0.08449909 135 0.862431 0.0464905 0.06899424 153 0.815439 0.0393838 0.07196788 171 1.04898 0.105704 0.10482471