CLAS physics database search results Measurement E216M933 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0997034 0.0352675 0.02068793 54 0.0552562 0.00758206 0.00704885 90 0.0603762 0.00731968 0.00611901 126 0.0652774 0.00678372 0.00795876 162 0.07406 0.00715185 0.00653048 198 0.0627259 0.00831741 0.00613322 234 0.058052 0.00660484 0.00539682 270 0.0488387 0.0068429 0.00427186 306 0.0734969 0.010184 0.00846267 342 0.054117 0.00797193 0.01905518