CLAS physics database search results Measurement E39M164 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma_L/sigma_T Data errors Systematic errors -0.6 -0.0994 0.3732 0.346 -0.25 0.3423 0.3607 0.565 0.05 -0.0865 0.232 0.352 0.35 -0.3492 0.1769 0.244 0.65 -0.3316 0.3323 0.251 0.9 -0.5112 0.3653 0.187