US LUA trip to DC (2015)

Photo from the CMS Photo Book. Activities at Point 5 in Cessy, France, between 1998 – 2008. Image of assembly and Installation of the CMS detector.

LHC magnet alignement in the tunnel. (Courtesy of CERN)

Caption text.

The eight toroid magnets can be seen surrounding the calorimeter that is later moved into the middle of the detector. This calorimeter will measure the energies of particles produced when protons collide in the centre of the detector.