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Accelerator Report: The final countdown

With only three weeks left until CERN’s annual closure, the end of the 2025 run is approaching fast. In less than two weeks, all the beams throughout the accelerator complex will be stopped

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Accelerators
28 November, 2025
Accelerators
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28 November, 2025

HIE-ISOLDE: 10 years, 10 highlights

Since its first experiment in 2015, the HIE-ISOLDE accelerator has been pushing back the boundaries of nuclear physics

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Accelerators
27 November, 2025
Accelerators
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27 November, 2025

Novel beam sensors built to last

A team of accelerator scientists is testing the use of new, more resistant sensors based on hollow glass fibres to measure particle beams

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Accelerators
18 November, 2025
Accelerators
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18 November, 2025

Accelerator Report: 2025 is another record-breaking year for protons in the LHC

The 2025 LHC proton run has come to a close, with record performance delivered to all experiments. The LHC now gears up for the upcoming lead-ion run

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Accelerators
12 November, 2025
Accelerators
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12 November, 2025

Accelerator Report: When plans meet reality…

The two beams circulating in the LHC are currently running with different bunch intensities – an unexpected (but successful) premiere, giving us a good chance to reach last year’s luminosity record

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Accelerators
28 October, 2025
Accelerators
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28 October, 2025

The accelerator chain prepares for high luminosity

The accelerators that feed into the Large Hadron Collider are ready to supply more intense beams

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Accelerators
17 October, 2025
Accelerators
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17 October, 2025

Accelerator Report: We reached 100!

On 6 October, the total integrated luminosity passed the symbolic mark of 100 fb⁻¹, exceeding the forecast curve. This allowed the bunch intensity to be increased to explore the intensity reach and limitations in view of the HL-LHC era

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Accelerators
17 October, 2025
Accelerators
News
17 October, 2025

Leadership handover at HL-LHC

Oliver Brüning, who has led the HL-LHC project since 2020, is handing the position of HL-LHC project leader over to Markus Zerlauth

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Accelerators
16 October, 2025
Accelerators
News
16 October, 2025

HiLumi News: the cold sets in

The delivery of two huge compressors kicks off the installation of the new helium refrigerators for the High-Luminosity LHC

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Accelerators
16 October, 2025
Accelerators
News
16 October, 2025

Accelerator Report: LHC performance stays on track and is cruising towards the target

As the 2025 LHC run enters its final ten weeks, strong performance pushes luminosity past 90 inverse femtobarns, while lead-ion preparations are ahead of schedule

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Accelerators
03 October, 2025
Accelerators
News
03 October, 2025