CLAS physics database search results Measurement E216M698 CLAS12 Run Group A Krishna Chandra 2018 psi(pi+) dsigma/dpsi_pip Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.135782 0.0058564 0.0132808 54 0.131918 0.00720982 0.01222764 90 0.144009 0.00611879 0.01246014 126 0.190206 0.0126614 0.01846243 162 0.213742 0.0195292 0.0230427 198 0.163791 0.0107688 0.01462067 234 0.160267 0.00991854 0.01417443 270 0.146966 0.00769492 0.01459822 306 0.124724 0.00732045 0.01163978 342 0.139284 0.0106359 0.013252