Higgs

ATLAS observes potential four-charm tetraquark

In the 1960s, physicists Gell-Mann and Zweig independently proposed the existence of the subatomic particles known as quarks. Their model successfully described the particles interacting by the strong force — hadrons — as being made up of two or three quarks. At the same time, theorists also predicted the existence of exotic hadrons with more …

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A super-sensitive dark matter detector just started up

The LZ central detector in the cleanroom of the Sanford Underground Research Facility. Photo† Matthew Kapust, underground research facility in Sanford The LUX-ZEPLIN (LZ) experiment team today announced the results of its first scientific run; the experiment is the world’s most sensitive dark matter detector, and although it found no dark matter in this first …

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ATLAS experiment records “first physics” at new high-energy frontier

†We have proton collisions in the ATLAS experiment† At 4:47 PM CEST, the Large Hadron Collider (LHC) officially kicked off its third operating period (Run 3). The LHC collides with proton beams with a world-record-breaking energy of 13.6 tera electron volts (TeV). The higher beam energy and intensity of Run 3 allows the ATLAS experiment …

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Physicists at Large Hadron Collider discover three new exotic particles

A corridor containing part of the Large Hadron Collider at CERN.Photo† VALENTIN FLAURAUD / AFP †Getty Images† pphysicists at CERN’s Large Hadron Collider today announced thatthe discovery of three exotic particles that could help reveal how quarks bind together. One particle is a pentaquark (a hadron made up of five quarks) and the other two …

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The Large Hadron Collider is about to soar to unprecedented energy levels

Ten years after the Higgs bosonThe Large Hadron Collider is about to smash together protons at unprecedented levels of energy in its quest to uncover more secrets about how the universe works. The world’s largest and most powerful particle accelerator restarted in April after a three-year hiatus for upgrades in preparation for its third run. …

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Ten years after the Higgs boson, the hunt is on for new breakthroughs in physics

Scientists work on part of the massive ATLAS detector at the Large Hadron Collider during its first installation in 2007.Claudia Marcelloni/Max Brice/Handout In the verdant Rhone Valley just west of Geneva, an elaborate game of chance is about to begin. At stake: the opportunity to glimpse nature’s deepest secrets. The Bet: More than $400 million …

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