CLAS physics database search results Measurement E39M165 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma_L/sigma_T Data errors Systematic errors -0.6 -0.3651 0.5987 0.212 -0.25 0.3272 0.2781 0.435 0.05 0.1268 0.1889 0.364 0.35 0.2947 0.3236 0.423 0.65 0.1652 0.4982 0.377 0.9 -0.7408 0.3185 0.116