CLAS physics database search results Measurement E216M600 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.221381 0.0126835 0.02356557 54 0.247051 0.0106022 0.01912598 90 0.258889 0.0136822 0.02257431 126 0.258603 0.00891886 0.0199891 162 0.245821 0.00849571 0.0185983 198 0.235186 0.00810654 0.0183725 234 0.24579 0.0107604 0.01761024 270 0.247338 0.0104682 0.01795283 306 0.251395 0.0106923 0.02065293 342 0.21873 0.0147138 0.02432657