Particle Physics
There’s a new measurement of muon magnetism. What it means isn’t clear
The measurement, from the Muon g−2 experiment, is the most precise yet. But recent theoretical predictions are a bit muddled.
Particle Physics
More Stories in Particle Physics
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PhysicsThe standard model of particle physics passed one of its strictest tests yet
An experiment with a single electron, trapped for months on end, produced one of the most precise tests yet of the standard model of particle physics.
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Physics50 years ago, physicists found the speed of light
In the 1970s, scientists set a new maximum speed limit for light. Fifty years later, they continue putting light through its paces.
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Particle PhysicsCarlos Argüelles hunts for particles beyond the standard model
Carlos Argüelles overcame hardship and discrimination to pursue a passion for physics.
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Particle PhysicsHow ghostly neutrinos could explain the universe’s matter mystery
If neutrinos behave differently from their antimatter counterparts, it could help explain why our cosmos is full of stuff.
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Particle Physics50 years ago, physicists got a whiff of what glues together protons
In 1972, particle smashups hinted at the gluon, which we now know not only holds together the innards of the proton, but also makes up more than a third of its mass.
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Particle PhysicsProtons contain intrinsic charm quarks, a new study suggests
The massive quarks — counterintuitively heavier than the proton itself — might carry about 0.6 percent of a proton’s momentum.
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Particle PhysicsPhysicists spotted rare W boson trios at the Large Hadron Collider
By measuring how often triplets of particles called W bosons appear, scientists can check physics’ standard model for any cracks.
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CosmologyThe Windchime experiment could use gravity to hunt for dark matter ‘wind’
Though decades away, the project hopes to use an array of ultrasensitive sensors as a “wind chime,” jostled by dark matter blowing past Earth.
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PhysicsA new dark matter experiment quashed earlier hints of new particles
Unlike its earlier incarnation, the XENONnT detector found no evidence of extra blips that scientists had hoped indicated new physics.