CLAS physics database search results Measurement E1M21 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 1.0147008 0.5250079 108 1.4940664 0.42505515 180 1.3166703 0.25377679 251.99998 0.56104839 0.18520597 324 0.9171536 0.19354102