CLAS physics database search results Measurement E1M695 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 2.4627426 0.23652175 108 3.0162399 0.16069557 180 4.2522335 0.45001295 251.99998 3.0671129 0.1931112 324 2.2764609 0.15642975