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Inside the LHC

What really goes on in and around the Large Hadron Collider?

09/25/23

Tending to a giant

In a race against the clock, CERN engineers and technicians pulled together to find and fix a leak inside the Large Hadron Collider.

10/05/21

How to train your magnet

New accelerator magnets are undergoing a rigorous training program to prepare them for the extreme conditions inside the upgraded Large Hadron Collider.

08/31/21

Photographing the HL-LHC

A CERN photographer and videographer writes about his experiences documenting the ongoing upgrade that will turn the Large Hadron Collider into the High-Luminosity LHC.

09/17/20

Parking the LHC proton train

Particle accelerators like the LHC require intricate beam dump systems to safely dispose of high-energy particles after each run.

03/10/20

Accounting for the Higgs

Only a fraction of collision events that look like they produce a Higgs boson actually produce a Higgs boson. Luckily, it doesn’t matter.

02/25/20

Seven views of work at the LHC

Symmetry chats with scientists working at the Large Hadron Collider to hear about differences between seven different rungs on the academic career ladder.

12/04/18

LHC Noir

A proton describes its final moments in the Large Hadron Collider.

08/09/18

Tour du LHC

An intrepid Symmetry writer and communicator at CERN navigates the landscape above the Large Hadron Collider by bicycle.

11/28/17

LHC data: how it’s made

In the Large Hadron Collider, protons become new particles, which become energy and light, which become data.

04/27/17

Did you see it?

Boston University physicist Tulika Bose explains why there's more than one large, general-purpose particle detector at the Large Hadron Collider.

02/24/15

Physics in fast-forward

During their first run, experiments at the Large Hadron Collider rediscovered 50 years' worth of physics research in a single month.

11/20/14

CERN frees LHC data

Anyone can access collision data from the Large Hadron Collider through the new CERN Open Data Portal.

02/26/13

Higgs-like particle

Early in the summer of 2012, excitement reached a peak as members of the CMS and ATLAS collaborations confirmed among themselves that they would soon announce the discovery of what looked like the Higgs boson.

11/15/12

Physics never sleeps

Physicists from all over the world work the night shift to guide the Large Hadron Collider and its particle detectors from sunset to sunrise. Take a peek into two of the five CERN control rooms that are staffed 24 hours a day.

12/01/07

Protecting the LHC from itself

Scientists at CERN have crafted the world’s most sophisticated machine protection system to save the LHC from itself.