The shutdown, which began on June 29, marks the start of a planned four-year upgrade that will transform the collider into a much more powerful version.

The world's most powerful particle accelerator will undergo some major upgrades during the 4-year hiatus.

The experiments at the Large Hadron Collider (LHC) require high-performance event-selection systems—known as "triggers" in particle physics—to filter the flow of data to manageable levels. The ...

Following a two-year shutdown for maintenance and upgrades, Ned Stafford looks at how the LHC has been improved to allow researchers to hunt for new particles Power boost The upgrade and maintenance ...