Quasinormal modes correspond well to grey-body factors for vector and tensor perturbations of Schwarzschild-Tangherlini black holes in all dimensions, but fail for scalar l=2 modes in D≥7 because of multiple potential barriers.
Black hole particle emission in higher-dimensional spacetimes
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abstract
In models with extra dimensions, a black hole evaporates both in the bulk and on the visible brane, where standard model fields live. The exact emissivities of each particle species are needed to determine how the black hole decay proceeds. We compute and discuss the absorption cross-sections, the relative emissivities and the total power output of all known fields in the evaporation phase. Graviton emissivity is highly enhanced as the spacetime dimensionality increases. Therefore, a black hole loses a significant fraction of its mass in the bulk. This result has important consequences for the phenomenology of black holes in models with extra dimensions and black hole detection in particle colliders.
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2026 2verdicts
UNVERDICTED 2representative citing papers
Upper limits on ADD black hole mass MB at 14 TeV LHC range from 11.83 TeV (ζ=0, D=3, ΛD=1 TeV) down to 7.65 TeV (ζ=0.35), with similar shifts for D=7 and higher ΛD.
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Correspondence between quasinormal modes and grey-body factors of Schwarzschild--Tangherlini black holes
Quasinormal modes correspond well to grey-body factors for vector and tensor perturbations of Schwarzschild-Tangherlini black holes in all dimensions, but fail for scalar l=2 modes in D≥7 because of multiple potential barriers.
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Constraining ADD black holes at the LHC with $\sqrt{s} = 14$ TeV
Upper limits on ADD black hole mass MB at 14 TeV LHC range from 11.83 TeV (ζ=0, D=3, ΛD=1 TeV) down to 7.65 TeV (ζ=0.35), with similar shifts for D=7 and higher ΛD.