CLAS physics database search results Measurement E39M50 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma_TT Data errors nb/sr nb/sr -0.6 9.72 8.33 -0.25 -1.92 8.92 0.05 -9.92 7.96 0.35 -3.46 8.29 0.65 -1.32 9.79 0.9 6.91 10.59