Particle Physics

More Stories in Particle Physics

  1. MESSENGER spacecraft orbiting Mercury
    Particle Physics

    Measuring the neutron’s lifetime from space could solve an enduring mystery

    Measurements on Earth show that lone neutrons decay after about 15 minutes, and now scientists have measured that lifetime from space.

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  2. Black hole ripping star apart illustration
    Physics

    A star shredded by a black hole may have spit out an extremely energetic neutrino

    A star’s fatal encounter with a black hole might have produced a neutrino with oomph.

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  3. Milky Way dark matter glow illustration
    Space

    A controversial X-ray glow didn’t show up in the Milky Way’s dark matter halo

    A new look at old data suggests that an odd X-ray glow that emanates from some galaxies cannot come from decaying dark matter.

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  4. Particle Physics

    Particles called axions could reveal how matter conquered the universe

    Axions, if they exist, may solve not one, not two, but three pressing puzzles of particle physics.

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  5. Particle Physics

    Physicists have narrowed the mass range for hypothetical dark matter axions

    In two new studies, scientists search for axions within new mass ranges but the particles remain elusive.

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  6. ALPHA experiment machinery
    Particle Physics

    Antimatter hydrogen has the same quantum quirk as normal hydrogen

    Atoms of antihydrogen are affected by the Lamb shift, which results from transient particles appearing and disappearing.

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  7. muon collider tracking device
    Physics

    A barrier to colliding particles called muons has been smashed

    Future particle accelerators could slam muons together to reach higher energies than any before.

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  8. KOTO detector
    Particle Physics

    Misbehaving kaons could hint at the existence of new particles

    Certain extremely rare decays seem to be happening more often than expected, and scientists don’t know why.

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  9. T2K experiment
    Physics

    Mounting evidence suggests neutrinos are key to why antimatter is rare

    The source of matter’s dominance over antimatter might be revealed by the tiny subatomic particles.

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