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Cycle to CERN
Cycle to CERN(Image: Bike to Work)Bike to Work is back at CERN, encouraging everyone to leave their car behind and enjoy the benefits of active travel. Choose a healthier and more environmentally...
View ArticleHiLumi LHC: CERN’s full-scale test stand enters the powering phase
HiLumi LHC: CERN’s full-scale test stand enters the powering phaseOn 20 April 2026, another important milestone was reached for the High-Luminosity Large Hadron Collider (HiLumi LHC) project, with the...
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CERN’s Medipix3 technology on track to help more patients
CERN’s Medipix3 technology on track to help more patientsMARS Bioimaging Extremity Scanner System, a portable photon-counting CT system for upper-extremity imaging (Image: MARS Bioimaging...
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ATLAS sets record limits on Higgs boson’s self-interaction
ATLAS sets record limits on Higgs boson’s self-interactionA candidate collision event for a pair of Higgs bosons, with one boson decaying into two photons and the other into a pair of bottom quarks....
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ATLAS acts as a cosmic-ray laboratory
ATLAS acts as a cosmic-ray laboratoryEvent display showing nineteen charged-particle tracks (yellow lines) recorded by the ATLAS experiment during proton–oxygen collisions in July 2025. (Image:...
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Beamline for Schools receives a record number of submissions
Beamline for Schools receives a record number of submissions For its 2026 edition, Beamline for Schools (BL4S) has received 712 submissions, involving 4051 students from 89 countries, the highest...
View Article“Spring at CERN” photo-competition – See the photos!
“Spring at CERN” photo-competition – See the photos! A big thank you to all of you who sent in your photos for our photo competition on the theme ‘Spring at CERN’. We really enjoyed looking through...
View ArticleMuon g-2 Experiment Pioneers Win Breakthrough Prize in Fundamental Physics
Muon g-2 Experiment Pioneers Win Breakthrough Prize in Fundamental PhysicsGENEVA, UPTON, N.Y., and BATAVIA, Ill. — The Muon g-2 Collaborations at CERN — the European Organization for Nuclear Research —...
View ArticleE-learning course “Ethics at CERN” for all CERN personnel
E-learning course “Ethics at CERN” for all CERN personnelEthics is essential, in particular in our workplace. It contributes to a positive and productive work environment while also fostering trust...
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CMS looks deep inside quarks
CMS looks deep inside quarksProtons were shown to consist of quarks in 1968, but the question of whether quarks are made of even smaller particles is as yet unanswered. (Image: A. Iqbal/ CMS)According...
View ArticleTaxation in France
Taxation in FranceThe Organization would like to remind members of the personnel that they must comply with the national legislation applicable to them (cf. Article S V 2.02 of the Staff Rules).I -...
View ArticleExchange rate for the tax declaration form of 2025 income
Exchange rate for the tax declaration form of 2025 incomeFor the tax declaration form of 2025 income, the average annual exchange rate to be used is EUR 1,07 * for CHF 1.*Communicated by the French Tax...
View ArticleComputer Security: Food for your brain
Computer Security: Food for your brainOne of the four missions of CERN is to “train new generations of physicists, engineers and technicians” in a broad area of subjects, topics and themes directly and...
View ArticleInclusion Matters: CERN’s new participatory inclusion initiative
Inclusion Matters: CERN’s new participatory inclusion initiativeBeyond 25 by ’25Following the successful conclusion of “25 by ’25” at the end of 2025, the Diversity & Inclusion (“D&I”)...
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Accelerator Report: Excellent performance at the LHC
Accelerator Report: Excellent performance at the LHCThe LHC has successfully reached its nominal Run 3 performance, marking an important milestone in the 2026 physics programme. The intensity ramp-up...
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Mark Rayner (1983 – 2026)
Mark Rayner (1983 – 2026)(Image: CERN)It was with profound shock and sadness that we learned of the sudden passing of staff member Mark Rayner, Editor of CERN Courier magazine, on 23 March.Mark was...
View ArticleGirls in ICT at CERN on 25 April: Register now!
Girls in ICT at CERN on 25 April: Register now! On Saturday, 25 April 2026, marking the International Girls in ICT Day, the CERN Science Gateway will be opening its doors to girls aged 12 to 16 for a...
View ArticleA collective commitment to safety as LS3 approaches
A collective commitment to safety as LS3 approachesCERN is soon to enter a demanding and important phase in which safety will be more important than ever. The third Long Shutdown (LS3) is a key step in...
View ArticleUpcoming events
Upcoming events14 Apr 10:00 | Physics | Salle Dirac & Online | QTI Seminars | ENAtom interferometry : from practical quantum sensing to fundamental physics searches14 Apr 11:00 | Physics | Main...
View ArticleA healthy mind for a calmer future: lunch & learn conference, 22 April 2026
A healthy mind for a calmer future: lunch & learn conference, 22 April 2026 Don’t miss the next lunch & learn conference organised by the CERN Medical Service on the theme of “A healthy mind...
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