CLAS physics database search results Measurement E216M519 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.146128 0.0130472 0.02768685 54 0.128265 0.0229837 0.01397653 90 0.132371 0.0132844 0.01528423 126 0.144438 0.011086 0.01347113 162 0.145981 0.0101549 0.01184823 198 0.147095 0.0107558 0.01413673 234 0.119606 0.00820066 0.00908081 270 0.115784 0.0107655 0.0088236 306 0.159861 0.0145413 0.01597641 342 0.137791 0.0099993 0.02435148