ATLAS Experiment

@ATLASexperiment

The ATLAS experiment at the Large Hadron Collider at @CERN. Check out @ATLASpapers for our latest scientific publications.

CERN

linkin.bio/atlasexperiment

Born October 1, 1992

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ATLAS Experiment
@ATLASexperiment
Jun 29
Press Statement: ATLAS Enters the High-Luminosity Era On 27 June 2026, the LHC's third run ended, marking a major milestone in particle physics. The next several years will be devoted to transforming the LHC and ATLAS at @CERN for the #HiLumiLHC. 🚀
atlas.cern
ATLAS enters the high-luminosity era
At 05:52 a.m. on 27 June 2026, the final protons of the Large Hadron Collider's third data-taking period circulated through the accelerator, bringing Run 3 to a close and marking the end of a...
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ATLAS Experiment
@ATLASexperiment
Mar 10
Collision season begins! Over the weekend, the ATLAS Experiment recorded its first 13.6 TeV proton collisions of 2026. These event displays capture the start of the final run of the current Large Hadron Collider before its transformation to the High-Luminosity LHC (#HiLumiLHC).
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ATLAS Experiment
@ATLASexperiment
Jan 22
Join us for a rare look inside the ATLAS Experiment at @CERN!⚛️ Go 100 m underground with ATLAS physicists Dr Christian Appelt and Dr Despoina Sampsonidou for an exclusive Open Virtual Visit. 📅 Thurs 29 January at 5 pm CET 📍 Live on Zoom 🔗 Register: cern.ch/atlas-open-vis…
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ATLAS Experiment
@ATLASexperiment
Nov 18, 2025
Heavy-ion season is here! 💥⁠ ⁠ The ATLAS Experiment at @CERN has recorded its first lead-lead collisions of 2025, marking the start of three weeks of heavy-ion running at 5.36 TeV per nucleon pair.⁠ Take a look at some of our first spectacular event displays!⁠
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ATLAS Experiment
@ATLASexperiment
Oct 31, 2025
What happens when you mix Halloween with #darkmatterday? Physics pumpkins, of course! 🎃 🎃 Grab spooky science stencils from the ATLAS Experiment at @CERN, including a special Dark Matter design! 🔗 cern.ch/stencils
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