CLAS physics database search results Measurement E1M85 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 1.5326574 0.34790394 108 1.4002639 0.28187874 180 2.3290341 0.67042315 251.99998 1.7288857 0.398485 324 1.5948454 0.32463169