CLAS physics database search results Measurement E1M79 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 1.124784 0.19176273 108 1.3224715 0.36742786 180 2.1141515 0.53792167 251.99998 1.8432788 0.59903449 324 0.99218148 0.14265922