CLAS physics database search results Measurement E1M466 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 3.9106834 0.19511476 108 4.5743694 0.26037523 180 4.6730051 0.30765462 251.99998 4.4301214 0.24391228 324 3.8183129 0.16880895