Connection between a possible fifth force and the direct detection of Dark Matter

Details Connection between a possible fifth force and the direct detection of Dark Matter Connection between a possible fifth force and the direct detection of Dark Matter

2008-07-20

arxiv.org/abs/0807.3060v3

Phys.Rev.Lett.102:101301,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures. v3: contains a more detailed treatment of the spin-dependence of the effective interaction between dark ma

Scientific paper

10.1103/PhysRevLett.102.101301

If there is a fifth force in the dark sector and dark sector particles interact non-gravitationally with ordinary matter, quantum corrections generically lead to a fifth force in the visible sector. We show how the strong experimental limits on fifth forces in the visible sector constrain the direct detection cross section, and the strength of the fifth force in the dark sector. If the latter is comparable to gravity, the spin-independent direct detection cross section must typically be <~ 10^{-55} cm^2. The anomalous acceleration of ordinary matter falling towards dark matter is also constrained: \eta_{OM-DM} <~ 10^{-8}.

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