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A comment on Record-breaking neutrino is most energetic ever detected. Parent comment
Left neutrino have weak hypercharge, so they are produce by weak interactions and are detected using the weak interaction. And also gravity.
Right neutrinos (if they exist) have no weak hypercharge so they only interact by gravity.
Left neutrino have weak hypercharge, so they are produce by weak interactions and are detected using the weak interaction. And also gravity.
Right neutrinos (if they exist) have no weak hypercharge so they only interact by gravity.