CLAS physics database search results Measurement E1M703 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 2.863199 0.20994715 108 2.929913 0.18814261 180 3.4696255 0.23462479 251.99998 2.9588692 0.15893979 324 2.8778925 0.15655077