CLAS physics database search results Measurement E216M717 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.15612 0.0121385 0.01508038 54 0.173827 0.0148633 0.01626778 90 0.14474 0.00786583 0.01185132 126 0.159289 0.00628433 0.01205262 162 0.168305 0.00671043 0.01312868 198 0.159211 0.0061816 0.01226834 234 0.172728 0.00716415 0.01463784 270 0.15067 0.0102479 0.01139612 306 0.160625 0.00863572 0.01244482 342 0.125159 0.01215 0.01450196