CLAS physics database search results Measurement E62M512 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 4.0067577 0.30856034 108 5.2652173 0.4205226 180 6.5035801 0.40145525 251.99998 5.1564193 0.34060204 324 4.3512373 0.46166804