CLAS physics database search results Measurement E216M879 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0615984 0.00710612 0.00760138 54 0.0727446 0.00627328 0.0122821 90 0.0766812 0.0054883 0.00808151 126 0.0918029 0.00643215 0.00821365 162 0.0976152 0.00548836 0.00735563 198 0.0994574 0.00609569 0.00803585 234 0.100361 0.0062799 0.0089411 270 0.0864821 0.00659828 0.00733197 306 0.06694 0.00842778 0.01040868 342 0.0637074 0.00596956 0.01560507