Researchers have announced the most precise measurement of a neutrino to date, focusing on defining its maximum mass. This upper limit provides insights into the shortcomings of the Standard Model of particle physics, which previously suggested that neutrinos should be massless. Neutrinos, which are chargedless particles created during atomic reactions, are crucial for understanding cosmic events and may reveal why the universe exists as it does. The work could lead to deeper insights into cosmic expansion and the clustering of galaxies since the Big Bang.
On Thursday, researchers unveiled the most precise measurement yet of a neutrino, scaling down the maximum possible mass of the ghostly specks of matter that permeate our universe.
The result, published in the journal Science, does not define the exact mass of a neutrino, just its upper limit, helping to bring physicists closer to understanding the Standard Model.
We're looking at trying to understand why we are here... that's something neutrinos may have a key role in.
Physicists know a few things about neutrinos. They are prolific across the cosmos, created virtually anytime atomic nuclei snap together or rip apart.
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