Particle Physics
How matter’s hidden complexity unleashed the power of nuclear physics
In the last century, physicists learned to split atomic nuclei and revealed a complex world of fundamental particles.
Particle Physics
More Stories in Particle Physics
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Particle PhysicsProtons’ antimatter is even more lopsided than we thought
The SeaQuest experiment finds that down antiquarks within the proton are more prevalent than up antiquarks.
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Particle PhysicsThis is the first known particle with four of the same kind of quark
A weird four-quark particle could be a unique testing ground for the strong force that governs how quarks stick together.
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Particle PhysicsPhysicists spot a new class of neutrinos from the sun
Researchers with the Borexino experiment in Italy have detected neutrinos produced in the secondary fusion process taking place in the sun’s core.
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Particle PhysicsAn unexpected result from a dark matter experiment may signal new particles
An excess of events spotted in the XENON1T experiment could be signs of solar axions or weird, new properties of neutrinos, but not dark matter itself.
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Particle PhysicsMeasuring 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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PhysicsA 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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SpaceA 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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Particle PhysicsParticles 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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Particle PhysicsPhysicists 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.