CLAS physics database search results Measurement E216M762 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0333712 0.0062249 0.02107964 54 0.0278193 0.00880095 0.0032834 90 0.0329236 0.00582313 0.00337568 126 0.0421984 0.00627712 0.00351471 162 0.046226 0.00801696 0.00502456 198 0.0348495 0.00571365 0.00371149 234 0.0369341 0.00623198 0.00390997 270 0.0289243 0.00584165 0.00327252 306 0.0406608 0.0081635 0.00564024 342 0.0240119 0.00447526 0.00676805