Kaluza-Klein Dark Matter and Galactic Antiprotons

Details Kaluza-Klein Dark Matter and Galactic Antiprotons Kaluza-Klein Dark Matter and Galactic Antiprotons

2005-06-16

arxiv.org/abs/astro-ph/0506389v1

Phys.Rev. D72 (2005) 063507

Astronomy and Astrophysics

Astrophysics

14 pages, 7 figures, 3 tables

Scientific paper

10.1103/PhysRevD.72.063507

Extra dimensions offer new ways to address long-standing problems in beyond the standard model particle physics. In some classes of extra-dimensional models, the lightest Kaluza-Klein particle is a viable dark matter candidate. In this work, we study indirect detection of Kaluza-Klein dark matter via its annihilation into antiprotons. We use a sophisticated galactic cosmic ray diffusion model whose parameters are fully constrained by an extensive set of experimental data. We discuss how fluxes of cosmic antiprotons can be used to exclude low Kaluza-Klein masses.

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