CLAS physics database search results Measurement E1M378 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 3.828747 0.20740153 108 4.2786055 0.28218135 180 4.329484 0.24527191 251.99998 4.2768879 0.27073941 324 3.84887 0.24122776