CERN's antimatter factory is the only place in the world where antiatoms are created on a daily basis.
It contains the Antiproton Decelerator (AD) and Extra Low ENergy Antiproton (ELENA) machines which deliver antiprotons to various experiments where they are combined with antielectrons, forming antihydrogen atoms.
Antimatter, which was predicted by British physicist Paul Dirac in 1928, is made of antiparticles which have the same mass than their corresponding particles, but with an opposite electric charge.
When matter and antimatter come into contact, they annihilate, which makes producing and trapping antimatter quite challenging.
|Standard opening times|| |
|Distance from CERN Reception (km)|| |
|Maximum capacity|| |
|Maximum number of visitors per guide|| |
|Minimum duration (min.)|| |
|Average duration (min.)|| |
|Minimum age|| |
|Accessible to pregnant women|| |
|Accessible to pacemaker, implants etc.|| |
|Accessible to reduced mobility|| |
|Accessibility details|| |
Many stairs. Noisy environment.
|Underground site|| |
|Requires IMPACT|| |
Description is given for information only and, as a result, imply no commitment from CERN Visits Service that they will be included in a visit programme. Any visit programme, even confirmed, is subject to last-minute changes due to operational or safety reasons.