Tag Archives: neutron

Physicists Unprecedented Precision

Physicists have performed an improved measurement of the free neutron lifetime using the UCNτ apparatus at the Los Alamos Neutron Science Center. Their results, published in the journal Physical Review Letters, represent a more than two-fold improvement over previous measurements. Gonzalez et al. report an improved measurement of the free …

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Free Neutron’s Lifetime

To answer the big questions, sometimes we must look to the very small. Researchers at the Los Alamos Neutron Science Center’s Ultracold Neutron Source, within Los Alamos National Lab, have been passing the cryo-baton for more than a decade, working at ever colder temperatures in order to study the behavior …

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Tiny Mountains on Neutron Stars

Physicists are still arguing over whether black holes have “hair,” but we’re pretty sure neutron stars have mountains. These dead stars are extreme in every respect, from their magnetic field to gravitational influence, but the only thing extreme about the mountains is how small they are. A new analysis of …

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Mountains On Neutron Stars

Physicists are still arguing over whether black holes have “hair,” but we’re pretty sure neutron stars have mountains. These dead stars are extreme in every respect, from their magnetic field to gravitational influence, but the only thing extreme about the mountains is how small they are. A new analysis of …

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NASA’s MESSENGER

Mission Carries Out Space-Based Measurements of Neutron’s Lifetime Using data acquired in 2007 and 2008 during flybys of Venus and Mercury by NASA’s MESSENGER spacecraft, researchers found the neutron lifetime to be 780 seconds. Cosmic rays striking Venus’ atmosphere eject neutrons that gradually fly into space. As neutrons move to …

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