CLAS physics database search results Measurement E216M141 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.51811 0.0425571 0.0977536 54 0.371272 0.0185653 0.04973733 90 0.331412 0.0156142 0.03152994 126 0.354591 0.0194932 0.03363735 162 0.412056 0.0168047 0.03416547 198 0.415601 0.0171289 0.03700307 234 0.339554 0.0126535 0.02845444 270 0.288625 0.0132766 0.03283432 306 0.417387 0.0271282 0.13964913 342 0.476238 0.045953 0.11562016