Dark-Matter-Induced Weak Equivalence Principle Violation

Details Dark-Matter-Induced Weak Equivalence Principle Violation Dark-Matter-Induced Weak Equivalence Principle Violation

2008-07-28

arxiv.org/abs/0807.4363v4

Phys.Rev.Lett.103:011301,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages

Scientific paper

10.1103/PhysRevLett.103.011301

A long-range fifth force coupled to dark matter can induce a coupling to ordinary matter if the dark matter interacts with Standard Model fields. We consider constraints on such a scenario from both astrophysical observations and laboratory experiments. We also examine the case where the dark matter is a weakly interacting massive particle, and derive relations between the coupling to dark matter and the coupling to ordinary matter for different models. Currently, this scenario is most tightly constrained by galactic dynamics, but improvements in Eotvos experiments can probe unconstrained regions of parameter space.

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