One of the biggest mysteries in contemporary particle physics and cosmology is why dark energy, which is observed to dominate energy density of the universe, has a remarkably small (but not zero) value. This value is so small, it is perhaps 120 orders of magnitude less than would be expected based on fundamental physics.
Resolving this problem, often called the cosmological constant problem, has so far eluded theorists.
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Higgs Boson could provide 'portal' to help particle physicists unravel dark energy enigma
