CLAS physics database search results Measurement E216M807 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0941263 0.0103703 0.01405541 54 0.105762 0.0146682 0.01010031 90 0.0945319 0.00805792 0.00739143 126 0.092751 0.00718113 0.007915 162 0.0861811 0.00605041 0.00702734 198 0.0860753 0.0060339 0.00662184 234 0.0834282 0.00629962 0.00805121 270 0.072984 0.0103943 0.00832726 306 0.0647905 0.0223592 0.00786871 342 0.102882 0.01396 0.0151211