CMS completes release of its entire Run 1 proton-proton data

The CMS experiment is one of the largest international scientific collaborations in history, with a broad program of activities at the forefront of particle physics research. As of December 5, 2022, all of the proton-proton ...

Preparing for a more powerful particle accelerator

The Large Hadron Collider at CERN is back in action after a three-year scheduled technical shutdown period. Experts circulated beam in the powerful particle accelerator at the end of April, and Run 3 physics started in early ...

Who gets their mass from the Higgs?

The Higgs field is like an endless ocean through which all matter swims. Some particles are like sponges and sop up mass as they lumber along, while others are as sprightly as tiny minnows and dart right through.

Upgrading the CERN LHC's CMS experiment detector

Sometimes big questions require big tools. That's why a global community of scientists designed and built gigantic detectors to monitor the high-energy particle collisions generated by CERN's Large Hadron Collider in Geneva, ...

CERN CMS releases 300 terabytes of research data from LHC

Today, the CMS Collaboration at CERN has released more than 300 terabytes (TB) of high-quality open data. These include over 100 TB, or 2.5 inverse femtobarns (fb−1), of data from proton collisions at 7 TeV, making up half ...

On the front lines of the Higgs boson search

Finding the Higgs boson at CERN involved an exciting chain of events and sharing it with the wider public through the media was also a journey of discovery, Prof. Jon Butterworth told an audience at the IOP's London centre ...

Evidence found for the Higgs boson direct decay into fermions

For the first time, researchers at CERN have found evidence for the direct decay of the Higgs boson into fermions—another strong indication that the particle discovered in 2012 behaves in the way the standard model of particle ...

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