Articles tagged with Particle Physics
Researchers have created stable patterns of light called optical skyrmions using a laser and a small circular disc, generating up to four related topological field patterns simultaneously. This method offers a simpler way to generate, study and adjust optical skyrmions, which hold potential for future data storage and computing systems.
Ionut Farcas uses reduced modeling to simulate plasma physics, reducing computation time from days to seconds. This enables real-time control and decision making in nuclear fusion devices.
A University of Birmingham scientist creates a 'mini universe' with ultracold atoms to test ideas in quantum cosmology and gravity. The experiment demonstrates that time can emerge from changes within a quantum system, revealing a version of time known as 'entropic time', which flows consistently and orders events.
The JUNO Collaboration has made the high-precision measurement of two key oscillation parameters, reducing associated uncertainties by a factor of 1.6 compared to past decades. This result validates detector performance and analysis methodology, establishing JUNO as a key player in precision neutrino oscillation physics.
Scientists have successfully synthesized a new fullerene material that exhibits metallic behavior even under cryogenic temperatures. This discovery challenges conventional understanding of the Mott metal-insulator transition and has significant implications for future electronics and quantum technologies.
Oxygen isotopes in forsterite affect Raman spectroscopy results by causing frequency shifts, lower symmetry, and peak splitting, leading to broader peaks. The study provides a theoretical framework for better interpretation of spectra data.
Researchers at Colorado State University have measured a hydrogen proton's radius to be 0.84 femtometers, resolving the long-standing scientific discrepancy that has puzzled scientists for years. The finding confirms the Standard Model theory and opens a door for further study, revealing subtle issues in earlier measurements.
Researchers at Nagoya Institute of Technology have developed new guidelines for mixing dense suspensions, reducing impeller speed and energy requirements. The study's findings suggest that placing the impeller near the solid-liquid interface improves energy efficiency in baffled conditions.
Scientists have directly imaged the effect of short current pulses on skyrmions, finding that they break up into disordered patterns before re-forming in a predictable manner. This discovery opens up new possibilities for computing concepts like probabilistic computing.
Researchers established the first complete, exactly solvable framework that unifies all seven fundamental localization phases in quasiperiodic systems. The framework also points to a concrete route for realizing predicted physics with ultracold atoms, offering new opportunities for experimental realization.
A Tokyo Metropolitan University scientist has proposed using standard synchrotron facilities to study dark photons, a key step in the hunt for dark matter. The method uses radiation safety monitoring data to estimate limits on dark photon properties.
A new detector technology has been developed to track elementary particles in large volumes of unsegmented scintillator material. The system uses a plenoptic camera and single-photon avalanche diode array sensors to achieve high-resolution 3D tracking, even in photon-starved conditions.
An international team of physicists has achieved unprecedented accuracy in computing the magnetic properties of the muon using Jülich supercomputers. The result resolves long-standing uncertainty between theory and experiment, achieving a precision that reduces the uncertainty by a factor of 1.6.
A novel nickel-based Pickering emulsion catalyst enables gram-scale synthesis of high-purity benzaldehyde with co-produced hydrogen, offering a sustainable alternative to traditional fine chemical synthesis. The synergistic effect of photon-heteroatom jointly promoted redox cycling accelerates the dehydrogenation reaction.
An international team of physicists has achieved a breakthrough in understanding the muon's magnetic moment, resolving a decades-long discrepancy between theory and experiment. The study delivers the most precise calculation to date of a key component underpinning the muon's magnetism, agreeing with experimental measurements within jus...
Researchers discovered a way to tune the quantum properties of tiny defects in diamond by stretching or compressing the crystal, enabling next-generation sensors with unprecedented precision. The silicon-vacancy center, a promising building block for quantum devices, responds predictably to mechanical deformation.
A study led by University of California, Riverside graduate student Yash Aggarwal suggests that dark matter decays could have seeded the direct collapse of galaxies into giant black holes. The research found that a window of dark matter masses between 24 and 27 electronvolts could produce conditions for black hole formation.
Researchers have successfully created a high-efficiency quantum light source that emits bright lights even at room temperature using 2D semiconductors. The achievement is made possible by confining excitons in a tiny region via nanohole-induced confinement and neutralizing excess charges.
Researchers at Ohio State University have discovered a new method for controlling superconductivity by manipulating the surrounding environment. By adjusting electron interactions, they were able to switch the material's superconductivity on and off, revealing a simpler way to control atomic power behind superconductivity.
Researchers have successfully detected an exotic atomic nucleus state, bound solely by the strong interaction, in a carbon isotope experiment. The discovery sheds new light on the properties of this fundamental force and its role in shaping particle masses.
A team of physicists has confirmed the mass of the fundamental W boson particle using an ultra-precise measurement, reaffirming the Standard Model's predictions. The new measurement is based on over 1 billion proton-colliding events produced by the Large Hadron Collider and is in line with previous experiments.
Researchers have observed evidence of a new type of mesic nucleus, which could provide insight into the vacuum structure and mass generation mechanism. The discovery was made using a high-precision experiment at the GSI Helmholtzzentrum für Schwerionenforschung, Germany.
Researchers at the University of Rochester have developed a squeezed phonon laser that precisely controls individual particles of vibration or sound, allowing for accurate measurements of gravity and other forces. This technology has the potential to create more accurate, 'unjammable' navigation systems without relying on satellites.
Researchers from Heidelberg University and international partners have optimized their ECHo experiments to determine the neutrino mass. They achieved a lower upper limit on the neutrino mass scale than previous similar experiments, paving the way for future large-scale investigations.
Researchers successfully captured singlet-fission-amplified excitons with a molybdenum-based emitter, achieving 130% quantum yield and pushing the limits of solar cell efficiency. The team used a metal complex called 'spin-flip' emitter to harvest multiplied energy from singlet fission.
Researchers discovered a new material, boron arsenide, that exhibits record-high coherence of optical phonons due to suppression of three-phonon scattering. This finding holds promise for the development of quantum phononics and could aid in managing excess heat in electronics.
Scientists from the University of Manchester led the discovery of the new Ξcc+- (Xi-cc-plus) particle, a heavy proton-like particle containing two charm quarks and one down quark. The particle was identified using the upgraded LHCb detector and has a mass of 3619.97 MeV/c².
Researchers at Rice University explored how artificial intelligence and machine learning can accelerate discoveries in the Deep Underground Neutrino Experiment (DUNE). The workshop aimed to integrate AI techniques into the massive computing ecosystem powering the experiment.
Tova Holmes and Larry Lee will work on the CMS upgrade and search for new particles at Fermilab, while also promoting the laboratory's Distinguished Researcher program. They aim to strengthen connections between the university and the national lab, bringing students and postdocs to the lab for hands-on learning opportunities.
Researchers observe rare nuclear isomer in ytterbium-150, measuring its half-life and establishing its decay scheme. The study reveals an isomeric relay mechanism, shifting the configuration of nuclei within the 10+ isomeric chain, extending its persistence into the proton drip line region.
The Global Physics Summit will feature over 12,000 individual presentations on new research in astrophysics, particle physics, and quantum information science. Registered journalists and public information officers will receive daily emails with information during the meeting.
Physicists have developed a more accurate method for estimating the impact of calculations that are not performed in high-energy particle collisions. The new approach uses perturbative calculations to reduce uncertainties present in previous simulations.
The University of Bath has been welcomed as a full member of the CMS Collaboration at CERN, gaining access to latest data, facilities, and computing infrastructure. The partnership strengthens the university's research impact in particle physics, enabling advancements in detector upgrades and cooling systems.
Experiments with tin isotopes rich in neutrons provide key physics insights into nuclear stability and element formation. The results help theoretical physicists improve models and establish the doubly-magic nature of tin-132.
Researchers used computer simulations to study the behavior of exhaust particles in tokamaks. They found that the toroidal rotation of plasma plays a key role in determining where particles land in the machine's exhaust system. This discovery could help engineers design divertors better equipped to handle intense heat.
A new ceramic material overcomes long-standing limits in proton conductivity, achieving record-high performance at intermediate temperatures. The innovative donor co-doping strategy combines increased proton concentration and mobility with chemical stability under various environments.
The Interactions Collaboration has selected top three photographs from hundreds of submissions by amateur and professional photographers worldwide. Marco Donghia's image of a researcher at the CryOgenic Laboratory for Detectors was chosen as first place, praised for its clear storytelling and masterful use of light.
A team of researchers led by Yoshiteru Maeno used magnetic resonance based on muons to investigate the superconducting state of strontium ruthenate. They discovered that the material exhibits spin-singlet superconductivity, which provides crucial insights into the behavior of unconventional superconductors.
Researchers at New York University have created a new type of time crystal that levitates on a cushion of sound, defying Newton's Third Law. This breakthrough has significant implications for technology and industry, and provides insights into biological clocks and biochemical networks.
The VIP-2 experiment, a highly sensitive test of the Pauli exclusion principle, found no evidence of its violation. The team set the strongest limits yet on possible violations involving electrons in atomic systems, constraining speculative theories beyond the Standard Model.
The American Physical Society's Global Physics Summit will feature over 10,000 individual presentations on new research in astrophysics and particle physics. Attendees can book discounted hotel rates near the Colorado Convention Center until February 12 to receive a discount.
Physicists have developed a new terahertz microscope that allows them to observe quantum vibrations in superconducting materials for the first time. The microscope enables researchers to study properties that could lead to room-temperature superconductors and identify materials that emit and receive terahertz radiation.
Research investigates the influence of strong laser fields on nuclear decay lifetimes, altering nuclear structure and properties. This study provides valuable insights into laser-nucleus interactions and holds promise for applications in the nuclear energy sector.
The study explores the dissociation of heavy quarkonium in the QGP medium using a Bayesian holographic QCD model, revealing its deconfinement mechanism. Key findings include the influence of temperature and chemical potential on thermodynamic properties and dissociation behavior.
Researchers measured energy correlations between two 252Cf prompt fission neutrons, finding a positive correlation at 180° and a negative correlation at 90°. These findings are crucial for developing and verifying fission physics theories, and should be considered in neutron coincidence and multiplication measurement techniques.
The Muonium-to-Antimuonium Conversion Experiment (MACE) aims to detect the rare conversion of muonium into antimuonium, a process that could reveal new physics. The experiment seeks to improve upon the last experimental limit by more than two orders of magnitude and target a conversion probability as low as 10^-13.
A team of researchers has observed the Einstein–de Haas effect in a Bose–Einstein condensate, demonstrating the transfer of angular momentum from atomic spins to fluid motion. This finding highlights the conservation of angular momentum between microscopic spin and macroscopic mechanical rotation in the quantum world.
Physicists at MIT observed clear signs that quarks create wakes as they speed through the plasma, confirming the plasma behaves like a liquid. This finding provides new insights into the properties of the quark-gluon plasma and its behavior in the early universe.
Researchers at the University of Plymouth have discovered a method to increase muon lifetime using intense laser pulses. By applying quantum interference principles, they aim to develop new scientific facilities that utilize muons instead of electrons.
Researchers at Heidelberg University developed a new theoretical framework that connects two fundamental domains of modern quantum physics, describing the emergence of quasiparticles in systems with both mobile and static impurities. The new theory explains how quasiparticles form even in systems with extremely heavy impurities.
Researchers at Tokyo University of Science demonstrate matter-wave diffraction in a short-lived electron-positron atom, marking a major advancement in fundamental physics. The findings pave the way for new research using positronium and could enable sensitive tests of gravity.
The American Physical Society's Global Physics Summit will convene over 14,000 physicists worldwide for groundbreaking research presentations. The event will feature both in-person and online experiences, including scientific sessions, exhibits, and networking events.
Researchers have discovered a linear relationship between reactivity and the reciprocal of uranium concentration in thermal-spectrum molten salt reactors. This finding has significant implications for criticality calculations, fuel loading prediction, and reactivity measurement.
HALIMA, a hybrid array for lifetime measurement of neutron-rich nuclei at IMP, enables precise sub-nanosecond measurements using the four-fold FF/β-Ge-LaBr <sub>3 </sub>(Ce)-LaBr <sub>3 </sub>(Ce) coincidence technique. The system reduces Compton continuums and enhances selectivity via fission fragments implantation.
Researchers at EAST have successfully accessed a theorized 'density-free regime' for fusion plasmas, achieving stable operation at densities beyond conventional limits. This breakthrough provides new insights into overcoming one of the most persistent physical obstacles on the path toward nuclear fusion ignition.
Experimental evidence confirms that a single superconductor can induce electron pairing and synchronization in another material, enabling the creation of a Josephson junction with only one superconductor. This discovery has potential implications for topological superconductors and conventional quantum computers.
Theoretical physicists at MIT propose that under certain conditions, magnetic material’s electrons could form quasiparticles called “anyons” that can flow together without friction. If confirmed, it would introduce a new form of superconductivity persisting in the presence of magnetism.