CLAS physics database search results Measurement E1M583 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 1.7073776 0.16604665 108 1.8067318 0.15991753 180 1.8864737 0.15430737 251.99998 1.7935083 0.17903408 324 1.6683403 0.14075617