### 5 Answers

- nebLv 79 months agoFavourite answer
No. We know that if they did exist they would need to be massless spin 2 tensor bosons. However, no one has directly quantized gravitons into a finite theory. The problem seems to be the non-linearity of general relativity - gravitons beget gravitons which beget more gravitons .... and we get a non-converging theory. In any case, they would be almost impossible to detect considering how weak gravitational waves are.

- NousLv 79 months ago
Gravitons are theoretic particles and not proved yet but then most particles that have been proven to exist started out as theoretic!

The Higgs bosun is a good example!

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- M JohnsonLv 69 months ago
Nor has gravitas, but it is taken seriously in the religious community as truth.

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- baby Ey (MeMe)Lv 79 months ago
No. Modern Physics has reached a point where a new Theory is needed. These tiny extremely sensitive and specific experiments are unlikely to find positive results outside of experimental error and analytic bias.

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- 9 months ago
They've been gravitating toward existing.

just another particle which makes no physical mechanical sense

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Hunter - if you know a simple way to describe the issues with a quantization of general relativity, have at it.