Published on: 2025-04-27 20:31:48
Neutrinos are known to have tiny masses. A new result proclaims the subatomic particles to be even tinier still. The electrically neutral particles, produced in radioactive decays and in reactions in the sun and elsewhere in the cosmos, have a mass of less than 0.45 electron volts, physicists report in the April 11 Science. The result, from the Karlsruhe Tritium Neutrino, or KATRIN, experiment slashes the experiment’s previous upper limit for neutrino mass by nearly half. Sign up for our newsl
Keywords: electron katrin mass neutrino neutrinos
Find related items on AmazonPublished on: 2025-04-30 09:00:44
Physicists have placed a new limit on how big the elusive neutrino can be—one of the universe’s smallest known particles—a limit that makes other subatomic particles look as big as black holes by comparison. In a new result published this week in Science, researchers have put a new upper limit on the mass of this itsy-bitsy particle: no more than 0.45 electron volts (eV). For context, that’s less than one-millionth the mass of an electron, which clocks in at a comparatively gargantuan 511,000 e
Keywords: ev mass neutrino new particles
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