Early Universe cosmology in the light of the mirror dark matter interpretation of the DAMA/Libra signal

Abstract

Mirror dark matter provides a simple framework for which to explain the DAMA/Libra annual modulation signal consistently with the null results of the other direct detection experiments. The simplest possibility involves ordinary matter interacting with mirror dark matter via photon-mirror photon kinetic mixing of strength epsilon ~ 10^(-9). We confirm that photon-mirror photon mixing of this magnitude is consistent with constraints from ordinary Big Bang nucleosynthesis as well as the more stringent constraints from cosmic microwave background measurements and large scale structure considerations.

9 pages, 1 figure; updated computations for T'(T), removed computation of Y'

References in corpus (3)

• Mirror dark matter and the new DAMA/LIBRA results: A simple explanation for a beautiful experiment
• Thermodynamics of the early Universe with mirror dark matter
• Astrophysical tests of mirror dark matter

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