CLAS physics database search results Measurement E1M717 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 3.1010187 0.2239985 108 3.7909157 0.57090652 180 3.8968837 0.17538911 251.99998 3.4296122 0.2265628 324 2.9356279 0.21025127