Particle Physics

  1. gamma rays
    Astronomy

    Hopes dim that gamma rays can reveal dark matter

    A mysterious glow of gamma rays coming from the center of the Milky Way probably isn’t a sign of dark matter.

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  2. LHC
    Particle Physics

    In a first, physicists accelerate atoms in the Large Hadron Collider

    Ionized lead atoms took a spin around the world’s biggest particle accelerator.

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  3. large circular semiconductor
    Particle Physics

    A new quasiparticle lurks in semiconductors

    Strange entities called collexons hint at undiscovered physics among interacting subatomic particles in a semiconductor.

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  4. an illustration of a neutron being blasted from a blazar
    Particle Physics

    One particle’s trek suggests that ‘spacetime foam’ doesn’t slow neutrinos

    Neutrinos and light travel at essentially the same speed, as predicted.

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  5. IceCube Neutrino Observatory
    Particle Physics

    50 years ago, neutrinos ghosted scientists

    In the last half-century, neutrino detectors have spotted particles cast out by the sun, supernova 1987A and a supermassive black hole.

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  6. blazar illustration
    Particle Physics

    A high-energy neutrino has been traced to its galactic birthplace

    The high-energy particle was born in a blazar 4 billion light-years away, scientists report.

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  7. Particle Physics

    Readers ask about proton pressure, wearable tech and more

    Readers had questions about the pressure inside a proton, wearable tech safety and the effects of global warming on insects.

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  8. dark matter illustration
    Particle Physics

    If real, dark fusion could help demystify this physics puzzle

    Fusing dark matter particles might explain why galaxy cores have evenly distributed dark matter.

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  9. MiniBooNE
    Particle Physics

    Mysterious neutrino surplus hints at the existence of new particles

    Neutrinos show up in greater numbers than expected in an experiment, possibly bolstering the idea of a fourth type of the particle.

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  10. illustration of a pulsar and companion star
    Astronomy

    Two-faced star reveals a pulsar’s surprising bulk

    An ultramassive pulsar is frying its stellar companion so that the star shows two different temperatures.

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  11. XENON1T experiment
    Particle Physics

    Dark matter particles elude scientists in the biggest search of its kind

    The XENON1T experiment saw no signs of hypothetical dark matter particles called WIMPs.

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  12. illustration of quarks
    Particle Physics

    The inside of a proton endures more pressure than anything else we’ve seen

    For the first time, scientists used experimental data to estimate the pressure inside a proton.

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