CLAS physics database search results Measurement E62M668 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 1.6295745 0.19623117 108 2.4685028 0.23664297 180 3.800607 0.38525844 251.99998 2.5761232 0.29037049 324 1.4949356 0.15451415