CLAS physics database search results Measurement E216M769 CLAS12 Run Group A Krishna Chandra 2018 psi(pi-) dsigma/dpsi_pim Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0361841 0.00711882 0.00808002 54 0.0337595 0.00620533 0.00407269 90 0.0439241 0.00684453 0.0038135 126 0.0644127 0.00731132 0.00680275 162 0.0496475 0.00656395 0.00409821 198 0.0745656 0.00874782 0.00654307 234 0.0730643 0.00818723 0.00762607 270 0.0438435 0.00569764 0.00348113 306 0.0371261 0.00702364 0.0041697 342 0.0464535 0.0184991 0.00958503