CLAS physics database search results Measurement E216M522 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 0.392094 0.0915701 0.08494904 27 0.367722 0.0424315 0.07559499 45 0.306061 0.0301809 0.05352096 63 0.360452 0.0325604 0.04751498 81 0.394907 0.028841 0.03646201 99 0.398659 0.0241144 0.03203908 117 0.430936 0.0267077 0.03733823 135 0.511413 0.0294815 0.03938238 153 0.53274 0.0921591 0.04779544 171 0.669007 0.0989682 0.12035787