CLAS physics database search results Measurement E1M728 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 3.4758568 0.16899629 108 3.6720276 0.24003206 180 3.8146744 0.25992051 251.99998 3.6049461 0.18326695 324 3.4455204 0.1907478