CLAS physics database search results Measurement E39M68 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma Data errors nb/sr nb/sr -0.6 7.75 3.75 -0.25 12.69 1.84 0.05 21.46 2.34 0.35 25.05 3.49 0.65 26.36 7.33 0.9 26.42 27.03