CLAS physics database search results Measurement E216M483 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.333954 0.013411 0.03690027 54 0.362019 0.0125562 0.0293896 90 0.346322 0.0107684 0.0265313 126 0.354225 0.0090258 0.02642307 162 0.349866 0.00899008 0.02846835 198 0.357879 0.00917324 0.02811598 234 0.332514 0.0106981 0.0255565 270 0.351483 0.0106591 0.02594317 306 0.347744 0.0132987 0.0282869 342 0.327318 0.0123068 0.03609932