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“Who ordered that?” is a pretty famous question in particle physics. I think the commenter is just asking “who ordered neutrinos”? It’s a good question, even if it’s not formally rigorous.

https://www.aps.org/archives/publications/apsnews/201711/his...



That (which was about muons) was about the muon not being predicted. The neutrino was predicted (to explain missing energy in beta decay).


Great. So we have the following:

Q. Who ordered neutrinos?

A. They're necessary because they carry energy away during beta decay.


Is the Q there a made up historical quote? Why, yes it is.




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