CLAS physics database search results Measurement E1M477 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 4.161263 0.19328354 108 4.8665652 0.22887579 180 4.6211715 0.22573246 251.99998 5.0281115 0.36448482 324 4.4145412 0.21730861