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gravitino

[ grav-i-tee-noh ]

noun

, Physics.
  1. the hypothetical fermionic partner of the graviton, predicted by the supergravity extension of Einstein's theory of general relativity.


gravitino

/ grăv′ĭ-tē /

  1. A hypothetical particle postulated in supergravity theory to correspond to the graviton, just as neutrinos correspond to other fermions.
  2. See also neutrino
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Example Sentences

Supergravity includes gravitons — the gravitational equivalent of photons — and adds a supersymmetric partner, the gravitino.

The team proposed a super-twin for the graviton called the gravitino.

From Nature

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.

Clinching evidence, though, would come from detection of the gravitino itself.

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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