Hamish Robertson
February 23, 2022
A new upper limit on the mass of neutrinos
An international research team, including scientists from the University of Washington, has established a new upper limit on the mass of the neutrino, the lightest known subatomic particle. In a paper published Feb. 14 in Nature Physics, the collaboration — known as the Karlsruhe Tritium Neutrino Experiment or KATRIN — reports that the neutrino’s mass is below 0.8 electron volts, or 0.8 eV/c2. Honing in on the elusive value of the neutrino’s mass will solve a major outstanding mystery in particle physics and equip scientists with a more complete view of the fundamental forces and particles that shape ourselves, our planet and the cosmos.
September 16, 2019
KATRIN cuts the mass estimate for the elusive neutrino in half
An international team of scientists has announced a breakthrough in its quest to measure the mass of the neutrino, one of the most abundant, yet elusive, elementary particles in our universe. At the 2019 Topics in Astroparticle and Underground Physics conference in Toyama, Japan, leaders from the KATRIN experiment reported Sept. 13 that the estimated range for the rest mass of the neutrino is no larger than 1 electron volt, or eV.
November 19, 2015
After Nobel win, neutrino endeavors snag Breakthrough Prize in Physics
Neutrinos may be small, but when it comes to prizes, they pack quite a punch. In October, it was announced that two scientists who headed international projects to study these miniscule, seemingly ephemeral subatomic particles will share the Nobel Prize in Physics. On Nov. 8, these same scientists joined five of their colleagues from other…
October 11, 2015
UW physicists celebrate contribution to Nobel-winning neutrino discoveries
At 2:45 a.m. on Oct. 6, bleary-eyed Nobel Prize enthusiasts on the West Coast were treated to an unexpected lesson about fundamental particles and forces in our universe. Across the globe in Stockholm, a panel of scientists announced that the 2015 Nobel Prize in Physics would honor two scientists who led international collaborations to understand…
April 28, 2015
UW apparatus measures single electron’s radiation to try to weigh a neutrino
UW researchers and their collaborators used an experiment in the physics building to measure the energy of a single electron emitted by radioactive decay, a key step in their strategy to measure the mass of the elusive neutrino.
