CLAS physics database search results Measurement E216M1008 CLAS12 Run Group A Krishna Chandra 2018 theta(p) dsigma/d(−cos(theta_pr)) Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 9 -0.453291 0.584257 0.03645838 27 0.137644 0.0143552 0.02272837 45 0.133039 0.0129497 0.01844369 63 0.106537 0.0100191 0.01583183 81 0.187084 0.0367102 0.02972136 99 0.232273 0.0191257 0.02873389 117 0.322 0.0343394 0.03681478 135 0.349658 0.0358297 0.03773416 153 0.548106 0.0431838 0.06085269 171 0.553925 0.054293 0.0557609