ATLAS
LHC Run 3: A Marathon of Progress and Perseverance
Earlier this month, the Large Hadron Collider reached an unprecedented milestone of 100 inverse femtobarns – equivalent to 10 million billion collisions – delivered to the ATLAS and CMS experiments in 2024, with 28 days of proton-proton collisions…
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ATLAS Operations: Progress and Highlights from 2023/2024
Great progress has been made in the ATLAS operation since the last EP news article. There we presented the fantastic Phase-I upgrades of the ATLAS detector installed during LS2, described the steps towards their commissioning, and summarized…
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ATLAS releases 2015 and 2016 proton–proton datasets for public research use
The ATLAS Collaboration has announced the release of 7 billion proton–proton collision events, alongside 2 billion simulated events, in the collaboration’s first release of open data for scientific research. The open data, available through CERN’s…
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ATLAS Open Data: Ushering in Transparency and Collaboration in Particle Physics Research
The ATLAS Collaboration at CERN,has been leading efforts to promote transparency and accessibility through its comprehensive open data initiatives. These efforts are designed to benefit researchers, educators, and the public, enhancing both…
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Groundbreaking Observation of Quantum Entanglement in Top Quarks at the LHC
Researchers using the ATLAS detector at CERN's Large Hadron Collider (LHC) have achieved a breakthrough: the first observation of quantum entanglement in top quark pairs. This discovery, analyzing proton-proton collisions at incredibly high energies…
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A high-dimensional jet-powered measurement of the strong force
Top image: An event display of a high-momentum Z boson event in the ATLAS detector associated with a number of “jets”, which are complex clusters of particles created via interactions mediated by the strong force. Precise measurements of fundamental…
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NextGen Triggers: Pioneering R&D for HL-HC Data Acquisition and Event Processing
The High-Luminosity LHC upgrade will provide an unprecedented challenge to the data acquisition and online event processing capabilities of ATLAS and CMS. Both experiments are currently undergoing major upgrades to prepare their detectors to cope…
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Edge SpAIce: Leveraging CERN's AI for Real-Time Ocean Plastic Tracking from Space
Earth Observation (EO) and particle physics research have more in common than you might think. In both environments, whether capturing fleeting particle collisions or detecting transient traces of ocean plastics, rapid and accurate data analysis is…
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Extending ATLAS Physics Reach with Analysis Reuse Technology
In August 2023, the ATLAS Collaboration presented the most comprehensive results to date of searches for electroweak production of supersymmetric particles interpreted within the Phenomenological Minimal Supersymmetric Standard Model (pMSSM)…
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The ATLAS New Small Wheel - Triggering on muons and rejecting fakes
The New Small Wheel (NSW) [1] has been the largest Phase-1 upgrade project of ATLAS. The two innermost stations of the Endcap Muon spectrometer have been replaced with two newly built detector systems based on small-strip Thin Gap Chambers (sTGC)…
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