Dependence of ‘anomalous’ asymmetry on ring thickness. Upper row: I/F and τ_phot profiles in non-gravitating r_h = 0 runs, using different elasticity models. In each case τ_dyn = 1.0. The numbers next to τ_phot profiles indicate the H/R ratio, where $H=\sqrt{12\langle z^2\rangle }$ denotes the effective vertical thickness of the system. Lower row: dependence of A_asym and A_trans on inverse ring thickness.