Particle Physics
Protons 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.
Particle Physics
More Stories in Particle Physics
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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.
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Particle PhysicsA supersensitive dark matter search found no signs of the substance — yet
The LZ experiment’s first measurement raises hopes that scientists are closer than ever to finding the source of much of the universe’s mass.
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Particle PhysicsHow physicists are probing the Higgs boson 10 years after its discovery
The famous particle may point to cracks in the standard model and new physics beyond.
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Particle PhysicsHow neutrinos could ensure a submarine’s nuclear fuel isn’t weaponized
Nuclear submarines could be monitored with the help of neutrinos to ensure that the fuel isn’t diverted to nuclear weapons programs
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Particle PhysicsHigh-energy neutrinos may come from black holes ripping apart stars
Where extremely energetic neutrinos originate from is a mystery. A new study supports the idea that “tidal disruption events” are one source.
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Particle PhysicsThe Large Hadron Collider has restarted with upgraded proton-smashing potential
Physicists will start taking data this summer once the revamped Large Hadron Collider gets up to full speed.
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Particle PhysicsMuons spill secrets about Earth’s hidden structures
Tracking travel patterns of subatomic particles called muons helps reveal the inner worlds of pyramids, volcanoes and more.
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Particle PhysicsA new nuclear imaging prototype detects tumors’ faint glow
Nuclear imaging that relies on Cerenkov light could supplement standard-of-care technology for identifying location of tumors.
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Particle PhysicsThe W boson might be extra hefty. If so, it could hint at new physics
A new measurement of the W boson’s mass, made by smashing particles together, reveals a potential crack in physics’ standard model.