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Accelerons are hypothetical subatomic particles postulated at the University of Washington to relate the newfound mass of the neutrino to the dark energy conjectured to be accelerating the expansion of the universe. 
- "New Theory Links Neutrino's Slight Mass To Accelerating Universe Expansion". www.sciencedaily.com. Archived from the original on 13 May 2008. Retrieved 2008-06-05.
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