CLAS physics database search results Measurement E216M942 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0740858 0.0100624 0.01195723 54 0.0824071 0.00949795 0.01729079 90 0.0739243 0.0115924 0.00697608 126 0.0747351 0.00873681 0.00840477 162 0.104512 0.00828849 0.00982786 198 0.0962751 0.00884717 0.00876565 234 0.0685254 0.0111078 0.00801071 270 0.0745091 0.00903462 0.00812248 306 0.0874481 0.0112542 0.01090728 342 0.0987628 0.0181972 0.01266961