CLAS physics database search results Measurement E1M415 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 3.347297 0.1814803 108 4.3320861 0.34234107 180 4.5821357 0.26247838 251.99998 4.1765332 0.2657975 324 3.2821615 0.18211204