CLAS physics database search results Measurement E39M136 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma Data errors nb/sr nb/sr -0.6 0 0 -0.25 20.97 5.01 0.05 30.05 5.07 0.35 24.53 4.7 0.65 36.64 8.19