CLAS physics database search results Measurement E1M591 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(pi-) dsigma/dphi_pim Stat. error deg mcbn/rad mcbn/rad 216 1.8423333 0.19400187 288 2.2157428 0.14429542 0 1.9958655 0.13737527 71.99998 1.9002596 0.14013758 144 1.922254 0.21506934