CLAS physics database search results Measurement E1M366 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 3.7768834 0.30414465 108 4.343051 0.33122158 180 3.6994178 0.26883158 251.99998 4.3346744 0.31969884 324 3.8162386 0.2421691