CLAS physics database search results Measurement E216M375 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.411862 0.0170809 0.06260078 54 0.432045 0.0132342 0.0340652 90 0.428585 0.0128493 0.03283231 126 0.42631 0.0114922 0.03050777 162 0.457735 0.0125277 0.03514424 198 0.543846 0.0731007 0.06773755 234 0.41688 0.0105828 0.03107378 270 0.440597 0.0168301 0.03503506 306 0.430103 0.0152845 0.03531291 342 0.381938 0.0153105 0.03614304