CLAS physics database search results Measurement E216M796 CLAS12 Run Group A Krishna Chandra 2018 psi(pi-) dsigma/dpsi_pim Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0412808 0.00467002 0.00815528 54 0.0623449 0.00991431 0.00686686 90 0.0727523 0.00678451 0.00653781 126 0.0672373 0.00592629 0.00711734 162 0.0740529 0.00620502 0.00730242 198 0.0728823 0.00600431 0.00644366 234 0.0763823 0.0079313 0.00812098 270 0.066904 0.00678183 0.00598812 306 0.0727708 0.0116971 0.01083132 342 0.0667116 0.0139543 0.01163032