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The GlueX experiment is a photoproduction experiment located at ThomasJefferson National Lab in Newport News, Virginia. GlueX is capable of makingbeam asymmetry ($\Sigma$) measurements using a tagged, linearly-polarized 9 GeVphoton beam incident on a hydrogen target. Measurements of the beam asymmetryfor the exclusive reactions $\gamma p \rightarrow \pi^0 p$, $\gamma p\rightarrow \eta p$ and $\gamma p \rightarrow \eta' p$ will provide insightinto the meson production mechanisms. GlueX measurements are the first beamasymmetry results for the $\eta$ and $\eta'$ in this energy range and areexpected to further constrain Regge theory models for photoproducedpseudoscalar mesons. This talk will present preliminary results of the photonbeam asymmetries as a function of the Mandelstam variable, t, for multiple$\eta$ decay modes and the $\eta'\rightarrow\pi^+\pi^-\eta$ decay mode.

Beam Asymmetries ($\Sigma$) for $\pi^0$, $\eta$ and $\eta'$ in Photoproduction at GlueX