CLAS physics database search results Measurement E216M873 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 0.221905 0.0379308 0.03351319 27 0.196507 0.0250239 0.02615079 45 0.170946 0.0122459 0.02125068 63 0.172857 0.0148747 0.01761246 81 0.198666 0.0127816 0.01665314 99 0.268139 0.0157877 0.02295524 117 0.34065 0.0183649 0.02635997 135 0.402328 0.0211329 0.0317436 153 0.541484 0.0429802 0.04537095 171 0.680889 0.0583177 0.06145975