The Standard Model of Particle Physics May Be Broken – A Physicist at the Large Hadron Collider Explains
As a physicist working at the Large Hadron Collider (LHC) at CERN, one of the questions I am most frequently asked is “When are you…
CERN News
New and Surprising Duality Discovered in Theoretical Particle Physics
A new and surprising duality has been found in theoretical particle physics. The duality exists between two types of scattering processes that can occur in…
Large Hadron Collider Restarts After 3 Years of Upgrades: Particle Collisions at World-Record Energy Levels
Beams of protons are again circulating around the collider’s 27-kilometer ring, marking the end of a multiple-year hiatus for upgrade work. In 2022, CERN is…
Large Hadron Collider Reveals Secret of Antimatter Creation in Cosmic Collisions
Recently at the Quark Matter conference and before that at the Rencontres de Moriond conference, the Large Hadron Collider beauty (LHCb) collaboration presented an analysis of…
Large Hadron Collider Measures Mass of the Top Quark With Unparalleled Accuracy
Precise knowledge of the top-quark mass is of paramount importance to understanding our world at the smallest scale. The Compact Muon Solenoid (CMS) collaboration at…
Homing In on the Higgs Boson’s Interaction With the Charm Quark at the Large Hadron Collider
New ATLAS and CMS analyses place tight limits on the strength of the Higgs boson’s interaction with the charm quark. Since the discovery of the…
ATLAS Experiment at Large Hadron Collider Seeks Out Unusual Signatures of Long-Lived Particles
Physicists at the ATLAS experiment are on the hunt for new, long-lived particles to help explain several outstanding mysteries of our Universe. Physicists at the…
Large Hadron Collider ATLAS and CMS Collaborations Chase the Invisible With the Higgs Boson
The collaborations have set stringent new bounds on the fraction of Higgs bosons transforming into invisible particles. The Higgs boson lives for an extremely short…
Unexpected Behavior of Hybrid Matter–Antimatter Atoms in Superfluid Helium Surprises Physicists at CERN
The result may open doors to several lines of research in particle physics and beyond. A hybrid matter–antimatter helium atom containing an antiproton, the proton’s…
Largest Matter-Antimatter Asymmetry Observed at Large Hadron Collider
New results from the LHCb experiment on CP asymmetry in charmless three-body charged B meson decays include the largest CP asymmetry ever observed. CP asymmetry…
Large Hadron Collider Experiments Step Up the Data Processing Game With GPUs
While data processing demand is rocketing for LHC’s Run 3, the four large experiments are increasing their use of GPUs to improve their computing infrastructure….
A Crunching Multiverse To Solve Two Fundamental Physics Puzzles at Once
A duo of theorists proposes a new theory to explain both the surprisingly small mass of the Higgs boson and the puzzling symmetry properties of…
Large Hadron Collider: First Detection of Exotic “X” Particles in Quark-Gluon Plasma
The findings could redefine the kinds of particles that were abundant in the early universe. In the first millionths of a second after the Big…
Large Hadron Collider: New Insight Into the Internal Structure of the Proton
While the Large Hadron Collider (LHC) is well known for smashing protons together, it is actually the quarks and gluons inside the protons – collectively…
Advanced Detectors for a New Era of ATLAS Physics at the Large Hadron Collider
The ATLAS Experiment at CERN welcomes a brand-new detector: the Muon New Small Wheel system. Its successful installation follows nearly a decade of design and…
CERN’s ALICE Detector Takes the Next Step in Understanding the Interaction Between Hadrons
The ALICE collaboration has for the first time observed the residual strong interaction between protons and phi mesons. In an article recently published in Physical…
For the First Time Ever, Physicists Detect Signs of Neutrinos at Large Hadron Collider
Scientific first at CERN facility a preview of upcoming 3-year research campaign. The international Forward Search Experiment team, led by physicists at the University of…
A Triple Treat From Large Hadron Collider: Three J/ψ Particles Emerging From a Single Collision Between Two Protons
In a first for particle physics, the CMS collaboration has observed three J/ψ particles emerging from a single collision between two protons. It’s a triple…