CLAS physics database search results Measurement E216M231 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.720342 0.0543079 0.08176052 54 0.711317 0.0310181 0.06331123 90 0.627044 0.0126359 0.05094345 126 0.635033 0.0137118 0.05080264 162 0.692815 0.0135006 0.05443697 198 0.665151 0.0119192 0.05414806 234 0.60934 0.014295 0.04691987 270 0.640413 0.0146761 0.04805246 306 0.720346 0.0232396 0.05790155 342 0.675197 0.0366326 0.06862743