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gravitino
[ grav-i-tee-noh ]
noun
Physics.
- the hypothetical fermionic partner of the graviton, predicted by the supergravity extension of Einstein's theory of general relativity.
gravitino
/ ²µ°ùă±¹â€²Ä-³Ùŧ′²ÔÅ /
- A hypothetical particle postulated in supergravity theory to correspond to the graviton, just as neutrinos correspond to other fermions.
- See also neutrino
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Example Sentences
Examples have not been reviewed.
Supergravity includes gravitons — the gravitational equivalent of photons — and adds a supersymmetric partner, the gravitino.
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The team proposed a super-twin for the graviton called the gravitino.
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The gravitino predicted by supergravity has also been posited as a candidate for the mysterious dark matter thought to outweigh the universe’s visible matter by about a factor of five.
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Clinching evidence, though, would come from detection of the gravitino itself.
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But he admits that it will be extremely hard to achieve, because the gravitino should interact so weakly with any other particles.
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