CLAS physics database search results Measurement E38M193 E1-5st-Lambda (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma_L/sigma_T Data errors Systematic errors -0.6 0.3796 0.6455 0.404 -0.25 0.5311 0.3628 0.511 0.05 0.8686 0.2947 0.651 0.35 0.2224 0.157 0.397 0.65 0.4284 0.2231 0.472 0.9 0.7519 0.4961 0.601