CLAS physics database search results Measurement E216M798 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.104161 0.0279207 0.02388578 54 0.0743203 0.00926004 0.00931064 90 0.0624518 0.00582365 0.00653335 126 0.0669732 0.00555054 0.00698741 162 0.066658 0.00568723 0.00610931 198 0.0657729 0.00561632 0.00628574 234 0.0576166 0.00512319 0.00499804 270 0.0538853 0.00566024 0.00538888 306 0.074791 0.00761417 0.00768655 342 0.099641 0.0348016 0.0334866