Spin structure functions of the nucleon measured at SALC

We have measured the spin structure functions g2p and g2d over the kinematic range 0.02≤x≤0.8 and 0.6≤Q2≤20 (GeV/c)2 by scattering 29.1 and 32.3 GeV longitudinally polarized electrons fro transversely polarized NH3 and 6LiD targets. The statistical errors are approximately three times smaller than previous measurements. Very preliminary results for xg2 are compared with the twist-2 Wandzura-Wilczek calculation at the three electron scattering angles used in this experiment. Using a fit to world data, values for the twist-3 matrix element d2 are extracted and compared to various models. Results for the asymmetry Aperpendicular for inclusive single hadron photoproduction are also presented. These are significantly different from zero for the proton target at small angles. (author)