************************************************************************** These are published data of the HERMES Collaboration. You are free to use these data in any publication. However, you must make a reference to the following publication: A. Airapetian et al, Phys. Rev. Lett. 84 (2000) 404 ************************************************************************** Single spin asymmetry A_UL for pion production vs. azimuthal angle phi. phi A_UL +/- dA A_UL +/- dA (radians) for pi+ for pi- -2.749 -0.002 0.007 -0.008 0.008 -1.963 -0.011 0.008 0.004 0.010 -1.178 -0.005 0.010 0.015 0.012 -0.393 -0.035 0.013 0.008 0.015 0.393 0.006 0.013 -0.015 0.015 1.178 0.028 0.010 0.003 0.012 1.963 0.027 0.008 0.002 0.010 2.749 0.009 0.007 0.010 0.008