CLAS physics database search results Measurement E38M191 E1-5st-Lambda (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma_L/sigma_T Data errors Systematic errors -0.6 0.0259 0.3594 0.517 -0.25 -0.3798 0.1341 0.277 0.05 -0.1023 0.1635 0.434 0.35 -0.1036 0.1423 0.433 0.65 -0.4156 0.0963 0.259 0.9 -0.0827 0.1166 0.446