CLAS physics database search results Measurement E62M380 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 3.9666314 0.41399625 108 4.6928573 0.4833391 180 5.720603 0.25113037 251.99998 4.6461625 0.30394533 324 4.4949408 0.35713008