CLAS physics database search results Measurement E38M33 E1-5st-Lambda (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma_TT Data errors nb/sr nb/sr -0.6 13.55 12.66 -0.25 -8.51 12.92 0.05 -31.9 15.13 0.35 -55.56 20.25 0.65 30.71 28.77 0.9 21.35 28.09