CLAS physics database search results Measurement E1M798 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 2.193557 0.14339717 108 2.3040462 0.12583354 180 2.9861658 0.19878742 251.99998 2.3747113 0.137077 324 1.9754194 0.13494819