Fysik & material

A team using China's BESIII particle detector has observed a rare decay process in charm baryons that contradicts theoretical predictions by a significant margin. The finding suggests unknown forces or particles may be at work, potentially opening new directions for fundamental physics research and detector development.EN

Using 10 billion particle collisions, researchers found no evidence for five theorized weak decay modes of the J/ψ particle, setting strict limits on how often these reactions occur. The null result constrains models of fundamental physics and guides where future experiments should focus their search for physics beyond the Standard Model.EN

Researchers analyzing billions of particle collisions have detected anomalies in rare particle decay patterns that deviate from established physics theory—but not by enough to confirm new physics yet. The findings, based on the largest dataset available, could signal undiscovered particles or forces, with implications for fundamental physics research and long-term technology development.EN

Researchers at CERN's LHCb experiment observed that certain particles form more frequently than theory predicts when protons and lead nuclei collide at extreme energies. The finding suggests matter behaves differently under extreme density—knowledge essential for understanding fundamental physics and potentially informing next-generation particle detector design.EN

Researchers at CERN have directly observed four types of exotic particle decay for the first time, filling a gap in the Standard Model of physics. The findings, based on trillions of collisions, refine measurements that help validate fundamental theories underlying particle physics and may eventually inform new technologies in high-energy detection and materials science.EN

Researchers using China's BESIII detector have identified a new resonance structure in electron-positron collisions, confirmed with rare 9.6-sigma statistical certainty. The discovery, published in the Journal of High Energy Physics, could refine our understanding of particle physics and inform next-generation detector designs for fundamental research facilities.EN

Researchers used measurements from the world's most powerful particle accelerator to test whether a basic symmetry of physics holds true in the top quark. The test found no violations, tightening constraints on exotic physics—a result that either confirms our current understanding or narrows where new discoveries might hide.EN

Researchers have devised a theoretical framework that could explain puzzling excess signals detected at CERN's Large Hadron Collider around 95 GeV—hints of previously unknown particles that multiple experiments have observed. The findings could reshape our understanding of fundamental physics and validate alternative models to the standard theory of particle interactions.EN

Researchers at China's BESIII collider have detected evidence of a previously unseen particle interaction, marking a milestone in high-energy physics. The finding could refine models of fundamental particle behavior and informs long-term research strategies for physics facilities—priorities for governments investing billions in next-generation accelerators.EN

Chinese researchers have measured how exotic particles decay into pairs of lighter particles with extreme accuracy, revealing details about fundamental forces. The findings could help detect physics beyond current theory and improve understanding of matter itself—work that underpins future particle detector technology and high-energy physics experiments worth billions in research investment.EN

Scientists have developed a more precise way to measure a key nuclear reaction in plutonium-239, addressing a decade-long priority gap in reactor safety data. The advance matters for nuclear utilities and policymakers because accurate cross-section measurements are essential for safe operation of fast reactors and mixed-oxide fuel systems worldwide.EN

Researchers have identified a way to spot evidence of an expanded Higgs sector—a theoretical extension of the Standard Model—by tracking collisions that produce multiple bottom quarks at the Large Hadron Collider. The discovery could validate an alternative physics framework and reshape how scientists search for physics beyond current theory.EN

Researchers discovered that the manufacturing method used to create molybdenum disulfide—a leading candidate to replace silicon in next-generation microchips—significantly affects how the material behaves optically. The finding matters because chipmakers must now factor in production technique when designing circuits, potentially affecting yields and device reliability.EN

Using nearly a decade of collision data, ATLAS researchers found no evidence that Higgs bosons pair up in ways predicted by beyond-Standard Model physics. The null result constrains theoretical models of Higgs self-interaction and informs the hunt for physics beyond current particle theory—crucial for evaluating the completeness of our fundamental understanding.EN

Researchers have figured out how to use Gaia satellite measurements to accurately determine the properties of dying stars by accounting for surface turbulence that distorts observations. The breakthrough could improve astronomical surveys and refine our understanding of stellar evolution—useful for industries relying on precise celestial catalogs and positioning systems.EN

A comprehensive roadmap authored by 51 leading researchers outlines the current state and future of electronic structure simulation software—the digital engines behind drug discovery, battery development, and advanced materials. The guide signals where computing power and software engineering must improve to accelerate innovation in chemistry and materials industries.EN

Scientists at Europe's LHC have observed rare decays of hidden-beauty particles and measured their properties with unprecedented precision. The breakthrough refines our understanding of fundamental particle physics and validates theoretical models that underpin next-generation detector designs and particle-collision experiments worldwide.EN

IceCube Observatory has set new constraints on theoretical "sterile neutrinos" that could explain dark matter and other cosmic mysteries. The analysis rules out certain mass and mixing scenarios, refining what physicists need to look for—and potentially informing long-term energy and fundamental physics research priorities.EN

Researchers at China's BEPCII collider have made the most precise measurements yet of how electron-positron collisions produce charm quarks—exotic particles that decay in microseconds. The findings resolve long-standing questions about mysterious resonance states and could refine models used in particle detector design and fundamental physics research.EN

IceCube's decade-long search finds no evidence for sterile neutrinos, a theorized particle that could explain dark matter. The null result, published in Physical Review Letters, constrains models that physicists have pursued for years and refocuses the hunt for physics beyond today's standard model onto other candidates and detection methods.EN

Researchers discovered that adding methylamine to magnesium borohydride dramatically speeds up ion movement, boosting electrical conductivity. The finding could accelerate development of safer, cheaper magnesium batteries to compete with lithium-ion technology in electric vehicles and grid storage.EN

Researchers have precisely measured how a charm quark decays into lighter particles—a rare process never directly observed before. The measurement reveals the internal structure of these transformations and tests predictions from the Standard Model of physics, potentially revealing gaps in our understanding of nature's most basic rules.EN

Scientists have made the first direct measurements of how certain particles decay in ways that could reveal why matter dominates over antimatter. Using data from the world's largest particle detector, researchers found no evidence of CP symmetry violations in these decays—a result that narrows where physicists should look next to solve one of physics' deepest unsolved problems.EN

Researchers at China's BESIII detector searched for six theorized subatomic particles but found none, narrowing the field of where exotic matter could exist. The null result constrains competing models of particle physics and guides where future experiments should focus resources.EN

Researchers have detected a rare subatomic decay for the first time, measuring properties that help validate the standard model of physics. The finding could inform next-generation particle detectors and deepen understanding of the forces binding matter together—knowledge with potential applications in materials science and quantum technology development.EN