CLAS physics database search results Measurement E1M740 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 3.0130479 0.16199505 108 3.3753324 0.18358336 180 3.5939312 0.25287104 251.99998 3.6515691 0.21944396 324 3.0746908 0.17633064