CLAS physics database search results Measurement E216M618 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.220597 0.0119551 0.0217699 54 0.214064 0.0083995 0.01706325 90 0.234192 0.0111023 0.01897775 126 0.242519 0.00843857 0.01845152 162 0.23708 0.00713609 0.01774416 198 0.229865 0.00805308 0.01777822 234 0.223414 0.00948002 0.01742028 270 0.203412 0.00958122 0.01808573 306 0.213394 0.00781686 0.01628423 342 0.220268 0.0209163 0.02290023