The collaborations made the most of the long shutdown to upgrade their detectors. Here we look back at the work before the start of LHC Season 2.

LHC facts and figures.

The LHC will operate at 13 TeV – nearly double its previous energy – opening new frontiers in our understanding of the fundamental structure of matter

The LHC is ready to start up after two years of planned maintenance. How has the accelerator changed?

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