CLAS physics database search results Measurement E62M272 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 5.3608441 0.56446153 108 6.0476041 0.3126063 180 7.6919012 0.57301754 251.99998 5.9632883 0.30033493 324 4.7437921 0.33338079