Tag: LHC
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ATLAS acts as a cosmic-ray laboratory
The ATLAS Collaboration reports its first measurement of proton–oxygen collisions at the LHC, which recreate cosmic-ray interactions with Earth’s atmosphere
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CMS looks deep inside quarks
The CMS Collaboration has probed deep inside quarks to search for potential building blocks within them
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Accelerator Report: Excellent performance at the LHC
The LHC has successfully reached the nominal performance required for Run 3, marking an important milestone in the 2026 physics programme. It has now entered a special run with a reduced number of collisions per bunch crossing
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Accelerator Report: HiLumi LHC beam reliability runs pave the way to the future
Dedicated HiLumi LHC beam test runs are currently taking place in the LHC injectors – a crucial step to guarantee that the HiLumi LHC can operate at peak performance from the very start of physics running, in 2030
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CMS strengthens the case for toponium
A new independent measurement by the CMS experiment at the LHC is consistent with the existence of the most massive composite particle ever observed, the momentary union of a top quark and its antiquark
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ALICE sees new sign of primordial plasma in proton collisions
The ALICE Collaboration takes a step further in addressing the question of whether a quark–gluon plasma can be formed in proton–proton and proton–nucleus collisions
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ATLAS sets strong limits on supersymmetry
Using machine-learning techniques, the ATLAS Collaboration has searched deep for signs of particles that could help answer some of the greatest mysteries of physics
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Accelerator Report: The 2026 run will be short but intense
Every day counts, so the LHC operations teams have mapped out a precise sequence of running phases to maximise the physics output during the machine’s final months
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Final laps at the LHC
The final physics season at the LHC has just kicked off! The experiments will record collisions until the end of June, when work will begin on transforming the machine into a high-luminosity accelerator.
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Accelerator Report: Protons are heading towards the LHC
Many activities are currently progressing across the accelerator chain as the complex moves steadily towards full operation