CLAS physics database search results Measurement E216M834 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0728234 0.0105709 0.01182129 54 0.0988371 0.00755981 0.00979447 90 0.087398 0.00604438 0.00743941 126 0.0998088 0.00643327 0.00811076 162 0.0969399 0.0066599 0.00780775 198 0.0897551 0.00545042 0.00792524 234 0.101928 0.00651432 0.00854831 270 0.0835212 0.00557405 0.00683717 306 0.0965373 0.00780254 0.01714973 342 0.0991374 0.0087805 0.01257162