CLAS physics database search results Measurement E216M366 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.447033 0.0313485 0.05029402 54 0.476636 0.014949 0.03819422 90 0.467474 0.0150135 0.03398487 126 0.457285 0.0136434 0.03405159 162 0.511643 0.0392849 0.04748647 198 0.461654 0.0174617 0.03685499 234 0.470638 0.014073 0.03475786 270 0.461779 0.0206237 0.03488423 306 0.510629 0.0205098 0.04100199 342 0.389009 0.0243508 0.04124122