CLAS physics database search results Measurement E39M129 E1-5st-Sigma0 (E93-030/E00-112) Mestayer, Hicks, Carman, Raue 1999 cos(theta) sigma_TL Data errors -0.6 0.339 4.766 -0.25 0.905 4.525 0.05 2.744 5.275 0.35 -3.125 7.608 0.65 -4.144 9.136 0.9 -3.592 6.039