Experimental tests of dark bubble cosmology

Authors: Ulf Danielsson and Daniel Panizo Preprint number: UUITP-34/23 Abstract: In this paper we use α′^{2}-corrections to the D3-brane action to obtain a non-zero and positive cosmological constant in the induced cosmology living on the dark bubble. Its measured value, together with the value of the fine structure constant, correspond to a dark dimension of size 10^{-5} m and a string scale at 10 TeV. We conclude that the dark bubble model predicts deviations of Newtonian gravity and stringy excitations of known particles within reach of future experiments.