CLAS physics database search results Measurement E216M301 CLAS12 Run Group A Krishna Chandra 2018 psi(pi-) dsigma/dpsi_pim Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.459487 0.0350263 0.06179927 54 0.433098 0.0295502 0.04057997 90 0.48138 0.0165663 0.03765178 126 0.467224 0.0142298 0.03627108 162 0.486663 0.0128668 0.03742058 198 0.511675 0.0148202 0.03764819 234 0.486079 0.019004 0.03773332 270 0.488996 0.0182057 0.04124602 306 0.46596 0.0267207 0.04453606 342 0.527863 0.0647019 0.08529649