CLAS physics database search results Measurement E39M67 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma Data errors nb/sr nb/sr -0.6 8.59 4.61 -0.25 19.35 2.49 0.05 31.34 3.02 0.35 31.91 4.35 0.65 34.09 6.47 0.9 47.63 13.8