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
Fundamental research
Contribute to society
Environmentally responsible research
Bring nations together
Inspire and educate
Fast facts and FAQs
Key Achievements
Key achievements submenu
The Higgs Boson
The W boson
The Z boson
The Large Hadron Collider
The Birth of the web
Antimatter
News
Accelerators
At CERN
Computing
Engineering
Experiments
Knowledge sharing
Physics
Events
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
What does ‘respect’ mean for you in your daily work?
(Application of Articles R II 4.38 and R II 4.39 of the Staff Regulations)
In 2018, the HR Learning and Development and Talent Acquisition teams initiated a complete review of how we welcome newcomers
In collaboration with Bookboon, we are delighted to announce unlimited online access to an eLibrary of over 600 titles on a wide-range of topics
The 2017 Annual Report from the HR Department concerning the settlement of disputes and discipline under Chapter VI of the Staff Rules and Regulations
Members of the personnel travelling for official purposes benefit from medical and security assistance provided by a travel assistance company
Members of the personnel have until 31 August 2018 to submit claims for the reimbursement of education fees relating to the 2016/2017 school year
Members of the personnel are reminded that they are obliged to declare any change in family situation
The Organization would like to remind members of the personnel that they must comply with the national legislation applicable to them
Administrative Circular No. 21 (I) (Rev. 2) and Administrative Circular No. 21 (II) (Rev. 2) are now available