CLAS physics database search results Measurement E1M427 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 3.3110242 0.16747484 108 3.8405995 0.19683005 180 4.3294463 0.26989305 251.99998 3.6507738 0.22036624 324 3.3299108 0.16961634