CLAS physics database search results Measurement E1M667 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 1.7782283 0.10836105 108 2.7383819 0.18293296 180 3.8974502 0.26046398 251.99998 2.9511786 0.19555426 324 1.9556823 0.19301049