CLAS physics database search results Measurement E39M89 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma Data errors nb/sr nb/sr -0.6 4.5 3.39 -0.25 6.23 1.76 0.05 9.08 1.87 0.35 11.51 2.53 0.65 11.33 3.24 0.9 45.2 10.55