CLAS physics database search results Measurement E216M671 CLAS12 Run Group A Krishna Chandra 2018 psi(pi+) dsigma/dpsi_pip Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0732727 0.00446809 0.00837595 54 0.0661161 0.0139886 0.00785716 90 0.0890991 0.0054649 0.00851188 126 0.114633 0.00707324 0.01077506 162 0.128778 0.00972566 0.01251642 198 0.148605 0.0111411 0.01471831 234 0.134066 0.0109926 0.01278207 270 0.0860675 0.00579316 0.00810979 306 0.0741782 0.00493071 0.00795892 342 0.069417 0.00519424 0.00767195