CLAS physics database search results Measurement E1M584 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 1.1740479 0.077249102 108 1.7059536 0.11975015 180 2.5754721 0.16618681 251.99998 1.6884815 0.13759489 324 1.1634517 0.1070909