CLAS physics database search results Measurement E1M468 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 4.1117215 0.29503393 108 5.008182 0.27724454 180 5.3630171 0.18722934 251.99998 4.950664 0.30209482 324 3.8341293 0.19574334