CLAS physics database search results Measurement E38M83 E1-5st-Lambda (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma_TT Data errors -0.6 0 0 -0.25 2.28 4.42 0.05 -4.43 5.49 0.35 -19.31 9.21 0.65 -6.83 15.69 0.9 -62.51 24.82