CLAS physics database search results Measurement E1M690 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 phi(pi+) dsigma/dphi_pip Stat. error deg mcbn/rad mcbn/rad 216 3.1989236 0.19675872 288 2.9757922 0.22543517 0 3.3364394 0.45491502 71.99998 2.7446833 0.13754052 144 2.8189592 0.17504108