Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2012-02-19
Physics
High Energy Physics
High Energy Physics - Theory
14 pages, 3 figures in an attached file
Scientific paper
A toy model originating super heavy dark matter and an small vacuum density energy, of the order of the one measured in the present era is constructed. This is obtained by considering a hidden sector with an axion like particle associated to an extremely weak interaction together with a super massive Higgs like boson. The axion acts as a false vacuum, and the hidden Higgs may be created in the early universe. By employing a crude estimation we suggest that the mean lifetime of this hidden Higgs is larger than the age of the universe. We argue that this particle ac as a component of the dark matter at present times. The approach to the vacuum energy problem presented here is a quintessence like mechanism, in which it is assumed that the true vacuum density energy is zero for some reason, except for the contribution of the light axion.
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