CLAS physics database search results Measurement E216M843 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0855454 0.00646123 0.03586798 54 0.106707 0.00798019 0.00862418 90 0.0955098 0.00930561 0.00950361 126 0.111824 0.00648901 0.00891084 162 0.106735 0.00620433 0.00871096 198 0.104823 0.00644319 0.00829303 234 0.0927822 0.0056092 0.00792081 270 0.0910598 0.00893661 0.0076501 306 0.101284 0.0107518 0.01023623 342 0.0883188 0.0112321 0.01548143