CLAS physics database search results Measurement E1M786 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 2.2807817 0.15758333 108 2.7656164 0.1975321 180 2.8854468 0.19346738 251.99998 2.5921264 0.15771267 324 2.0578158 0.15099676