CLAS physics database search results Measurement E216M385 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 0.504867 0.0664807 0.09181469 27 0.394015 0.0405345 0.05610832 45 0.375485 0.0276765 0.0496073 63 0.354695 0.0561429 0.067766 81 0.379233 0.031987 0.07860983 99 0.37138 0.037508 0.03908373 117 0.430854 0.0693407 0.06571494 135 0.46804 0.0560283 0.05522657 153 0.425798 0.0353389 0.03977747 171 0.401343 0.0483927 0.08943298