CLAS physics database search results Measurement E216M338 CLAS12 Run Group A Krishna Chandra 2018 psi(pi+) dsigma/dpsi_pip Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.445727 0.0125996 0.05019631 54 0.421663 0.0137004 0.04375918 90 0.46479 0.0134114 0.04199699 126 0.623951 0.0202792 0.0522105 162 0.714634 0.0270367 0.05509588 198 0.751251 0.0293 0.06077591 234 0.603808 0.0175725 0.06375173 270 0.497167 0.0533385 0.05954766 306 0.413487 0.0112913 0.04168834 342 0.466304 0.0140416 0.05199063