CLAS physics database search results Measurement E216M869 CLAS12 Run Group A Krishna Chandra 2018 psi(pi+) dsigma/dpsi_pip Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0778669 0.00473066 0.00834031 54 0.0601142 0.00423465 0.00624018 90 0.0799812 0.00741048 0.00827623 126 0.106513 0.00639266 0.00861579 162 0.147295 0.00993145 0.01156584 198 0.119339 0.0127455 0.01053545 234 0.0980429 0.00557269 0.00757649 270 0.0802165 0.00654956 0.00633424 306 0.0658101 0.0054487 0.00683413 342 0.0660393 0.00419038 0.00711935