Shape-shifting neutrinos earn physicists the 2015 Nobel

Super-Kamiokande, a neutrino detector in Japan, holds 50,000 tons of ultrapure water surrounded by light tubes (Super-Kamiokande)

Super-Kamiokande, a neutrino detector in Japan, enabled Takaaki Kajita, one of this year’s recipients of the Nobel prize in physics, to make his discovery: that neutrinos flip-flop between identities, and that they must have mass. Photo: Super-Kamiokande

What do Albert Einstein, Neils Bohr, Paul Dirac, and Marie Curie have in common? They each won the Nobel prize in physics. And today, Takaaki Kajita and Arthur McDonald have joined their ranks, thanks to a pioneering turn-of-the-century discovery: in defiance of long-held predictions, neutrinos shape-shift between multiple identities, and therefore must have mass.(…)
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© Vanessa Janek for Universe Today, 2015. |
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