At CERN, we probe the fundamental structure of particles that make up everything around us. We do so using the world's largest and most complex scientific instruments.
Know more
Who we are
Our Mission
Our Governance
Our Member States
Our History
Our People
What we do
Our research
Our contribution to society
Our educational programmes
Fast facts and FAQs
Key Achievements
Key achievements submenu
The Higgs Boson
The Large Hadron Collider
The Birth of the web
Antimatter
The High-Luminosity LHC
News
Accelerators
At CERN
Computing
Engineering
Experiments
Knowledge sharing
Physics
Events
Webcasts
CERN Community
News and announcements
Official communications
Scientists
Press Room
Press Room submenu
Media News
Resources
Contact
The research programme at CERN covers topics from kaons to cosmic rays, and from the Standard Model to supersymmetry
Dark matter
The early universe
The Higgs boson
The Standard Model
+ More
CERN's accelerators
The Antiproton Decelerator
High-Luminosity LHC
Accelerating: radiofrequency cavities
Steering and focusing: magnets and superconductivity
Circulating: ultra-high vacuum
Cooling: cryogenic systems
Powering: energy at CERN
The CERN Data Centre
The Worldwide LHC Computing Grid
CERN openlab
Open source for open science
The birth of the web
ALICE
ATLAS
CMS
LHCb
By Topic
By format
360 image
Annual report
Brochure
Bulletin
Courier
Image
Video
By audience
CERN community
Educators
General public
Industry
Media
Students
The ATLAS experiment reports the observation of photon collisions producing weak-force carriers and provides further insights into their interactions
ATLAS and CMS present new measurements of the properties of the Higgs boson
In a paper published today in the European Physical Journal C, the ATLAS Collaboration reports the first high-precision measurement of W boson mass
ATLAS measurements show proton has more strange quarks than previously thought
ATLAS reports the first measurement of the W boson mass using LHC proton–proton collision data at 7 TeV
On 19 July 1973, physicists working with the Gargamelle bubble chamber at CERN presented the first direct evidence of the weak neutral current
On 24 February 1983 the journal Physics Letters B published a paper by the UA1 collaboration describing the discovery of the W boson
On 24 February 1983 the journal <em>Physics Letters B</em> published a paper by the UA1 collaboration describing the discovery of the W boson
On 25 January 1983, CERN physicists announced to the world the discovery of the W boson, an elementary particle that carries the weak force