Are Neutrinos Their Own Evil Twins? Part 2: The Weak Left-Hander

Are Neutrinos Their Own Evil Twins? Part 2: The Weak Left-Hander
By Paul Sutter (https://ift.tt/HBjifJZ)

The weak nuclear force is the eccentric cousin of the four forces — the one that only shakes hands with left-handed particles. That bizarre preference turns out to be absolutely critical for stars, nuclear fusion, and the existence of most matter. And neutrinos love it. There's just one problem: neutrinos appear to only exist in one handedness, which makes no sense at all.

April 13, 2026 at 07:36AM
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