CLAS physics database search results Measurement E1M408 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 2.8969593 0.17707895 108 4.4047909 0.23726825 180 5.3486905 0.24851625 251.99998 4.273231 0.24268648 324 3.1546054 0.2022557