Tag: CERN community
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LHCb explores new territory during a special low-energy run
While the heavy-ion run season is in full swing at the LHC, let’s look back at the low-energy run that took place on 29 and 30 April. In yet another demonstration of the versatility of CERN’s accelerator complex, the LHC briefly departed from its standard high-energy operation to perform a special low-energy run dedicated primarily
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Porte de France multimodal hub: preparatory works from June 2026
A redevelopment project for the Porte de France junction in Saint-Genis-Pouilly, led by the local French authorities, is entering its preparatory phase. During this phase, utility companies will need to adapt and relocate existing water, electricity, gas, telecommunications and sanitation infrastructure ahead of the start of the junction works, scheduled for summer 2027. These preparatory
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Accelerator Report: An important upgrade to the PS radiofrequency system and a heavy ion run in full swing
In a particle accelerator, radiofrequency (RF) systems are among the crucial components that make beam production possible. While magnets guide the particles around the ring, RF systems provide the beam with its longitudinal structure: they accelerate it, keep it captured in bunches, shape it, split it, rotate it and ensure synchronisation for transfer to the
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LS3 Safety Spotlight: be road safe
As CERN prepares for LS3, road safety – one of the nine newly approved CERN Safety Fundamentals – is more critical than ever. Increased traffic, movement of equipment and a higher density of people and vehicles across the site raise the risk of accidents. In 2024 and 2025, there were 210 reported road safety incidents
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The March/April 2026 issue of the CERN Courier is out
Most of the universe is void. Of the rest, most is invisible. Yet it weaves a sprawling cosmic web, lit at its nodes by clusters of galaxies. Stack many cluster pairs and a faint radio glow appears between, brighter than diffuse intergalactic gas alone can account for. Theorist Elena Pinetti explains how the excess may
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Upcoming events
1–5 Jun | Physics | Council Chamber & Online | LPCC Workshops | ENExtended Scalar Sectors From All Angles 2026 2 Jun 15:30| Knowledge Sharing | BE Auditorium Meyrin & Online | KT Seminars | ENPrecision Instrumentation and the Integration of CERN’s Single Frequency Raman Laser 3 Jun 14:00| Experiments | TH Conference Room &
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Restaurant 1 extends its opening hours
Restaurant 1 is now open until 23:00 on Wednesdays, Thursdays and Fridays. Take advantage of the extended opening hours to enjoy dinner and refreshments on site after work. Opening hours for all restaurants and cafeterias at CERN are available in the CERN Campus App.
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ALPHA measures tiny energy gap in antimatter with improved precision
Researchers at the ALPHA experiment have achieved a hundredfold improvement in their measurement of a feature of the antimatter counterpart of the hydrogen atom. The result, published today in Nature, allows a precise comparison of hydrogen and antihydrogen. In this study, the ALPHA Collaboration measured the ground-state hyperfine splitting of the antihydrogen atom, which comprises