CLAS physics database search results Measurement E1M774 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 2.2428162 0.15070568 108 2.7186363 0.19832663 180 2.917305 0.17500789 251.99998 2.705256 0.18546291 324 2.4095676 0.17500088