CLAS physics database search results Measurement E62M452 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 1.3071821 0.18182811 108 2.3596203 0.44598314 180 2.389683 0.22800851 251.99998 2.4740717 0.38546672 324 1.3765982 0.21454817