期刊
PHYSICS LETTERS B
卷 679, 期 3, 页码 278-281出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2009.07.052
关键词
Early Universe; Cosmology; Dark matter
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 similar to 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. (C) 2009 Elsevier B.V. All rights reserved.
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