Choosing between theory, experiment and computation
Everything filed under learning in our physics coverage, the 27 reports filed on it so far.
LHCb Discovers Unexpectedly Light Beauty-Strange Particle
The LHCb experiment at CERN has discovered a new particle in the beauty-strange sector, with a mass significantly lower than quark model predictions...
Space Station and Lab Tests Confirm Einstein's Equivalence
A quantum test on the China Space Station achieved record precision for the weak equivalence principle, while a separate lab experiment confirmed the
NIST's Decade-Long Gravitational Constant Experiment Deepens
A ten-year NIST experiment has produced a new measurement of the gravitational constant, big G, that differs from a leading 2007 result, maintaining a
CERN ALICE experiment probes gluon
Physicists at CERN's ALICE experiment have used incoherent J/ψ production to examine gluon behavior inside atomic nuclei at a resolution of...
LHCb's GPU Trigger Uses Lipschitz Networks for Lepton ID
The LHCb experiment has deployed new neural networks to identify muons and electrons in real-time during Run 3, improving efficiency for heavy-flavor
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...
Mathematical framework slashes magnetic
A new optimal control theory framework from the University of Edinburgh designs magnetic pulses to switch digital bits, potentially cutting energy...
Belle II could probe new physics via
A new study proposes using the Belle II experiment to search for long-lived heavy neutral leptons, predicted by extensions of the Standard Model, by
CMS reports hint of rare Higgs decay to Z boson and photon
The CMS experiment at the Large Hadron Collider has searched for the rare Higgs boson decay into a Z boson and a photon, reporting a signal strength
LHCb Measures Rare Anomalous Decays of Eta Mesons
The LHCb experiment reports new branching fraction measurements for rare anomalous decays of the η and η' mesons, including the first search for...
Dark Matter Search Probes Xenon Excitation After LZ Event
A new study analyzes the potential for detecting inelastic xenon excitation signals in the LZ dark matter experiment, following its report of a...
New Theory Unifies Heat's Memory and Nonlocal Transport
Physicists Jianjun Dong and Yi Zeng have developed a unified theoretical framework that describes heat conduction as a process with memory and spatial
LUX-ZEPLIN dark matter detector reports
The LUX-ZEPLIN experiment has detected a rare particle interaction that looks unusually difficult to explain as ordinary background noise and appeared
CMOS Camera Counts Antiprotons for GBAR Experiment
Researchers have used a commercial CMOS camera to accurately count antiprotons in the GBAR antihydrogen experiment, achieving a 10% error rate by...
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, while cautioning about intellectual
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), while searching for the exotic particle
LZ experiment detects potential dark matter
A new analysis of LUX-ZEPLIN experiment data found a single high-energy event that might be the first detection of a WIMP, a leading dark matter...
Jefferson Lab to Probe Dark Photons
A simulation study outlines a proposed experiment using a 500 MeV positron beam on a hydrogen target to search for light dark photons in the 7-19 MeV...
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.
ATLAS Uses AI for First Full-Phase-Space
The ATLAS experiment at the LHC has performed the first complete measurement of the Z+jets production cross section, using an AI-based algorithm to...
Hollow-Core Fiber Could Bridge Quantum
Modeling shows gas-filled hollow-core fibers can translate quantum light between wavelengths while preserving crucial phase information, a key step...
Quantum Gravity Signs May Be Illusion
A new theory suggests experiments thought to show quantum gravity may have a simpler explanation, refining the search for true evidence.
Computer Science Debates Its Core Subject
Theoretical computer scientists debate whether their field is fundamentally about computers or the abstract study of algorithms and computation, a...
SuperCDMS begins hunt for light dark matter
The Super Cryogenic Dark Matter Search experiment has begun its early-science data collection phase deep underground in Canada.