CLAS physics database search results Measurement E216M852 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.096645 0.0200165 0.01342459 54 0.10002 0.00689436 0.00879131 90 0.1103 0.00817109 0.0095982 126 0.0854669 0.00810897 0.00747801 162 0.106487 0.00643447 0.0089282 198 0.0970084 0.00721127 0.0086253 234 0.110576 0.00696171 0.01014567 270 0.0869013 0.00646755 0.00848347 306 0.0994424 0.0125334 0.0108189 342 0.0928152 0.0125346 0.01160678