What does 'luminosity' mean in particle physics?

Even on the hottest and driest days, rays from the sun are too weak to ignite a fire. But with a magnifying glass (or, in some unfortunate cases, a glass garden ornament), you can focus sunlight into a beam bright enough ...

Supernova surprise creates elemental mystery

Michigan State University (MSU) researchers have discovered that one of the most important reactions in the universe can get a huge and unexpected boost inside exploding stars known as supernovae.

Higgs boson probes for new phenomena

Physicists at CERN's Large Hadron Collider (LHC) are on the hunt for physics phenomena beyond the standard model. Some theories predict an as-yet undiscovered particle could be found in the form of a new resonance (a narrow ...

ATLAS Experiment releases new search for long-lived particles

Despite its decades of predictive success, there are important phenomena left unexplained by the Standard Model of particle physics. Additional theories must exist that can fully describe the universe, even though definitive ...

Machine learning qualitatively changes the search for new particles

The ATLAS Collaboration at CERN is exploring novel ways to search for new phenomena. Alongside an extensive research program often inspired by specific theoretical models—ranging from quantum black holes to supersymmetry—physicists ...

Graphics cards farm to help in search of new physics at LHCb

For the first time, data from LHCb, a major physics experiment, will be processed on a farm of GPUs. This solution is not only much cheaper, but it will help decrease the cluster size and process data at speeds up to 40 Tbit/s. ...

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