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longship

(40,416 posts)
1. Wait a minute! Neutrinos are regularly detected.
Sun Oct 1, 2017, 06:16 PM
Oct 2017

And they are notorious for not interacting with anything, except very rarely via the weak nuclear force.

An undetectable particle can be detected by missing momentum in an interaction. That's how neutrinos are found to be produced although they are not directly detected.

What about that?

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