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Scalar scattering from charged black holes on the brane

The differential scattering cross section of massless scalar fields localized on the 3-brane of charged static black holes in the ADD model is analyzed. While results valid over the entire range of the scattering angle can be obtained only via a numerical approach, analytical results can be obtained via the geodesic, Born and glory approximations. Comparison between numerical and analytical results leads to excellent agreement. The increase of the charge intensity has the consequence of increasing the width of the interference fringes in the scattering cross section. Its influence on the intensity of the scattered flux, however, depends on the dimensionality of the spacetime. Analyses for the special cases of uncharged and extremely charged black holes are included.