CLAS physics database search results Measurement E1M775 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 2.4042161 0.16974548 108 2.7445042 0.2030137 180 3.256264 0.18180364 251.99998 2.6075046 0.15044288 324 2.4843805 0.1805144