Particle Physics
A Fields physics field page covering what it studies, key concepts, current frontiers and major facilities, alongside the 34 reports filed on it so far.
Nuclear clocks using thorium-229 transitions realized in two breakthroughs
Two independent research teams have created the first working nuclear clocks by using narrow-linewidth lasers to drive a transition in thorium-229...
Francis Halzen wins 2026 Nobel Prize in Physics for IceCube neutrino discovery
Francis Halzen has been awarded the 2026 Nobel Prize in Physics for his pioneering work on the IceCube Neutrino Observatory.
Cockcroft-Walton accelerator history and modern applications
The first particle accelerator, built by Cockcroft and Walton in 1932, used 800,000 volts to split lithium atoms.
Quantum simulator replicates string-breaking process
A 13-ion trapped-ion quantum simulator modeled string breaking, a process analogous to quark dynamics and particle formation in the early universe.
ATLAS and CMS Develop New Tracking for HL-LHC Challenges
The ATLAS and CMS experiments are preparing new tracking algorithms to handle the high particle density of the HL-LHC.
LHCb Discovers Unexpectedly Light Beauty-Strange Particle
The LHCb experiment at CERN has discovered a new particle in the beauty-strange sector.
CMS Search for New Physics in Four-Jet Events with Bottom Quarks
The CMS collaboration reports a search for new particles decaying into pairs of jets containing bottom quarks, using 13 TeV proton-proton collision...
LUX-ZEPLIN detector records potential dark matter event
A single high-energy event at the LUX-ZEPLIN dark matter detector has physicists exploring non-standard particle models.
CosmicWatch: A $100 Muon Detector Opens Particle Physics to Students
A compact, $100 detector called CosmicWatch, developed at the University of Delaware, allows students and researchers to detect invisible cosmic...
Self-Supervised Learning Sharpens Resonance Mass Reconstruction
A new self-supervised learning method improves the reconstruction of heavy resonance masses in particle physics experiments.
Quantum computer simulates particle creation in 1D Ising model
Researchers have used a 104-qubit quantum processor to simulate the inelastic production of a heavier particle from a collision of two light...
Ultra-High-Energy Photon Defies Physics to Reach Earth
A 300 TeV photon from a distant gamma-ray burst survived a 2-billion-light-year journey that should have destroyed it.
Building Reproducibility into Moiré Material Research
A Nature Physics perspective argues that reproducibility challenges in moiré material experiments must be addressed from the outset in material...
Quantum computers could hunt dark matter at LHC
A particle physicist is developing quantum algorithms to search for anomalies in data from the upgraded Large Hadron Collider.
New Experiment Sets Limits on Axion-like Dark Matter
A physics experiment using solid-state nuclear magnetic resonance and a SQUID magnetometer has searched for ultralight axion-like dark matter.
Belle II could probe new physics via long-lived heavy neutral leptons
A new study proposes using the Belle II experiment to search for long-lived heavy neutral leptons, predicted by extensions of the Standard Model.
LUX-ZEPLIN dark matter detector reports rare unexplained event
The LUX-ZEPLIN experiment has detected a rare particle interaction that looks unusually difficult to explain as ordinary background noise.
AI designs physics experiments from existing lab components
An international team shows artificial intelligence can design physics experiments using existing lab components that yield more precise results.
First Measurement of J/ψ Photoproduction on Neutron
Physicists report the first measurement of near-threshold J/ψ particle production from a neutron target.
Physicist Sarah Demers on AI's Role in Particle Physics
Yale physicist Sarah Demers discusses the U.S. Department of Energy's use of AI to optimize the Mu2e experiment.
GlueX Experiment Finds Two New XYZ Particle Candidates
The GlueX Collaboration at Jefferson Lab has discovered evidence for two new structures, Y(2240) and X(1830).
GRENDEL Detector Proposed for LHC Long-Lived Particle Search
Physicists propose GRENDEL, a new detector in the CMS drainage gallery to search for neutral long-lived particles in the 0.2-15 GeV mass range.
Quantum Materials Stalled by Synthesis Dependence
A new analysis in Nature Physics identifies synthesis dependence as a major obstacle in quantum materials research.
LZ experiment hints at dark matter
The LUX-ZEPLIN (LZ) dark matter experiment has identified a single anomalous particle interaction in its latest data analysis.