CLAS physics database search results Measurement E216M915 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0334675 0.00592743 0.00606882 54 0.0440242 0.0115905 0.00705396 90 0.0191553 0.0146431 0.00492569 126 0.0321204 0.0047096 0.0042224 162 0.0373963 0.00544336 0.00426762 198 0.0305263 0.0087332 0.00345248 234 0.0292399 0.00452799 0.0029166 270 0.0394442 0.00764427 0.00892735 306 0.031482 0.00681618 0.00450947 342 0.0289224 0.00527934 0.00712418