CLAS physics database search results Measurement E216M708 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.146145 0.0178954 0.02423608 54 0.171422 0.0104516 0.01583538 90 0.170551 0.00832011 0.01340623 126 0.160212 0.00662468 0.01254961 162 0.150338 0.00721542 0.01243903 198 0.159781 0.00629718 0.01242104 234 0.138313 0.00877366 0.01102128 270 0.148762 0.0071273 0.01117158 306 0.163806 0.0103612 0.01396123 342 0.155895 0.0140327 0.02029024