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RE: Unraveling cosmic neutrino anomalies with Anita (and sterile neutrinos)
Hello @lemouth. It's always a pleasure to read your posts. I didn't know the existence of ultra-highly-energetic neutrinos.
"In 2016 and 2018, Anita reported its most recent observations. A bunch of ultra-energetic neutrinos have been detected, but two events were really intriguing."
One of the hypotheses that has been proposed to explain what was going on, it relies on the existence of a special class of neutrinos called sterile neutrinos. Why they have been called sterile neutrinos?
Thanks for the comment and passing by! :)
To answer your question: sterile neutrinos don't interact via standard interactions. This is where the name comes from.
However, they mix with the other neutrinos, and this mixing allows them to interact in a very suppressed manner. The sterile guy will hence possess a small non-sterile component and this little one will be responsible for the interactions.
Thank you very much for the response, very clear and detailed! :)
You are very welcome! :)