CLAS physics database search results Measurement E1M392 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 3.925586 0.24614982 108 4.4217281 0.26048118 180 4.5526037 0.24831323 251.99998 4.5558743 0.3893345 324 3.7040446 0.17988412