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arxiv: 1501.02233 · v1 · pith:ASWEGP77new · submitted 2015-01-09 · 🌌 astro-ph.CO

Kinetic decoupling of WIMPs: analytic expressions

Luca Visinelli , Paolo Gondolo This is my paper
classification 🌌 astro-ph.CO
keywords kinetictemperaturecosmologydecouplinganalyticaveragecasescosmological
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We present a general expression for the values of the average kinetic energy and of the temperature of kinetic decoupling of a WIMP, valid for any cosmological model. We show an example of the usage of our solution when the Hubble rate has a power-law dependence on temperature, and we show results for the specific cases of kination cosmology and low- temperature reheating cosmology.

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