CLAS physics database search results Measurement E1M342 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 2.7004421 0.21310455 108 2.8505626 0.25861016 180 2.3697076 0.17778262 251.99998 3.0023303 0.28806424 324 2.5917342 0.21579528