gravitino

American  

[grav-i-tee-noh] / ˌgræv ɪˈti noʊ /

noun

Physics.

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

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gravitino Scientific  

/ grăv′ĭ-tē′nō /

1. A hypothetical particle postulated in supergravity theory to correspond to the graviton, just as neutrinos correspond to other fermions.

2. See also neutrino supergravity

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Example Sentences

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

From New York Times • May 8, 2023

But he admits that it will be extremely hard to achieve, because the gravitino should interact so weakly with any other particles.

From Scientific American • Aug. 6, 2019

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

From Scientific American • Aug. 6, 2019

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.

From Scientific American • Aug. 6, 2019

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

From Nature • Aug. 5, 2019