CLAS physics database search results Measurement E38M190 E1-5st-Lambda (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma_L/sigma_T Data errors Systematic errors -0.6 -0.4288 0.2133 0.328 -0.25 -0.1559 0.3427 0.549 0.05 -0.3335 0.2405 0.399 0.35 -0.4547 0.1921 0.31 0.65 -0.5133 0.1355 0.271 0.9 -0.4493 0.1412 0.314