CLAS physics database search results Measurement E216M763 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 0.134077 0.0444445 0.02960536 27 0.0988536 0.0224079 0.01198878 45 0.139437 0.0264585 0.01801163 63 0.0917023 0.0164785 0.00857243 81 0.10999 0.0171541 0.02031897 99 0.102532 0.0222837 0.01240667 117 0.0768749 0.0114305 0.00982238 135 0.111099 0.0180962 0.01250924 153 0.117908 0.0215597 0.01243064 171 0.0973625 0.0270835 0.01797981