In their paper, "Higgs Seesaw Mechanism as a Source for Dark Energy," Krauss and Dent explore how a possible small coupling between the Higgs particle, and possible new particles likely to be associated with what is conventionally called the Grand Unified Scale – a scale perhaps 16 orders of magnitude smaller than the size of a proton at which the three known non-gravitational forces in nature might converge into a single theory – could result in the existence of another background field in nature in addition to the Higgs field, which would contribute an energy density to empty space of precisely the correct scale to correspond to the observed energy density.
The paper is published on line today (Aug. 9), in Physical Review Letters.
Read more at: http://phys.org/news/2013-08-physicists-higgs-boson-portal-source.html#jCp
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