CLAS physics database search results Measurement E216M860 CLAS12 Run Group A Krishna Chandra 2018 psi(pi+) dsigma/dpsi_pip Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0715958 0.00465287 0.00820982 54 0.0583181 0.00395129 0.00679946 90 0.0792219 0.00537717 0.00763362 126 0.107692 0.00747026 0.00867651 162 0.12491 0.00830893 0.01052971 198 0.131807 0.00826755 0.01157782 234 0.0982681 0.0074444 0.00822831 270 0.0782179 0.00722284 0.00769757 306 0.0531471 0.0211278 0.00684618 342 0.0686587 0.00612965 0.00674465