Uranus's anomalously low excess heat constrains strongly interacting dark matter

Details Uranus's anomalously low excess heat constrains strongly interacting dark matter Uranus's anomalously low excess heat constrains strongly interacting dark matter

2004-08-18

arxiv.org/abs/astro-ph/0408341v3

Phys.Rev. D70 (2004) 103517

Astronomy and Astrophysics

Astrophysics

6 REVTeX pages, version accepted by PRD

Scientific paper

10.1103/PhysRevD.70.103517

Dark matter annihilations can generate significant amounts of internal heat inside planets if dark matter consists mainly of particles with nuclear cross sections in the micro-barn range or larger (SIMPs). By considering a detailed model of Uranus's interior, we calculate upper limits on the S-wave annihilation cross section for these particles as a function of their mass. These upper limits, together with other experimental and theoretical constraints, rule out SIMPs with masses between 150 MeV and $10^{4}$ GeV.

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