CLAS physics database search results Measurement E39M86 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma Data errors nb/sr nb/sr -0.6 12.86 4.17 -0.25 17.54 2.9 0.05 23.71 3.54 0.35 23.36 3.83 0.65 17.91 6.52 0.9 18.16 5.5