CLAS physics database search results Measurement E1M313 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 0.68496454 0.22570077 108 1.079064 0.11478361 180 2.5036442 0.30361637 251.99998 1.3153982 0.1421473 324 0.81558114 0.18486691