Probing the density in the Galactic center region: Wind-blown bubbles and high-energy proton constraints

Recent observations of the Galactic center in high-energy gamma-rays (above 0.1 TeV) have opened up new ways to study this region, from understanding the emission source of these high-energy photons to constraining the environment in which they are formed. We present a revised theoretical density model of the inner 5 pc surrounding Sgr A* based on the fact that the underlying structure of this region is dominated by the winds from the Wolf-Rayet stars orbiting Sgr A*. The high-energy gamma-ray emission is an ideal probe and application of this density structure. We assume a proton scattering model for the production of these gamma-rays and then determine, first, whether such a model is consistent with the observations and, second, whether we can use these observations to further constrain the density distribution in the Galactic center.