CLAS physics database search results Measurement E1M513 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 3.5284815 0.25407186 108 3.7841206 0.15494855 180 4.2770338 0.23001406 251.99998 3.65222 0.24518146 324 3.2309158 0.18149208