1.Previous
3.Next

years. Construction work began at individual institutions, with detector components then being shipped to CERN and assembled in the ATLAS experiment pit starting in 2003.

Detector operation

Construction was completed in 2008 and the experiment detected its first single proton beam events on 10 September of that year.

Data-taking was then interrupted for over a year due to an LHC magnet quench incident. On 23 November 2009, the first proton-proton

1.Previous
3.Next