CLAS physics database search results Measurement E39M90 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma Data errors nb/sr nb/sr -0.6 8.67 6.49 -0.25 3.59 1.72 0.05 6.24 2 0.35 6 3.15 0.65 15.12 5.01 0.9 57.1 25.75