CLAS physics database search results Measurement E39M31 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma_TT Data errors nb/sr nb/sr -0.6 10.55 12.62 -0.25 -18.92 12.84 0.05 -19.32 14.11 0.35 -1.71 19.3 0.65 -28.15 23.25 0.9 -4.58 28.5