Why measuring neutrino mass needs more than one kind of experiment - Innovation News Network
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From radioactive tritium to maps of distant galaxies, neutrino experiments are narrowing the possibilities. Their results become most powerful when the differences between their measurements are understood.
How do you weigh a particle that almost always passes through your apparatus without interacting? For neutrinos, physicists have developed several answers. They measure radioactive decay, track changes in particle identity, search for extraordinarily rare nuclear transitions and reconstruct the growth of cosmic structure. Each approach reveals something different about mass, and each brings its own assumptions.
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