CLAS physics database search results Measurement E1M607 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 1.806869 0.12842779 108 2.5535107 0.20480396 180 3.5008578 0.20739996 251.99998 2.5357919 0.20204324 324 1.7326459 0.1203128