Articles tagged with Particle Physics
Researchers analyzed proton-proton collisions to understand the hadronization process, a phenomenon critical to our understanding of physical reality. The study found that quark-gluon plasma can be produced in single proton collisions and that correlations between particles are influenced by angles with respect to the beam axis.
Research by Dominik Stolzenburg reveals that aerosols from volatile organic substances can cluster together to form condensation nuclei for water vapor. This process affects cloud density and global warming, potentially offsetting the effect of CO2 increases on climate change.
Physicists William Raphael Hix and John Lajoie were elected Fellows of the American Physical Society for their outstanding contributions to physics research. They are recognized for their work on explosive thermonuclear burning, stellar nucleosynthesis, and the development of advanced trigger systems that enabled the discovery of the q...
Researchers have proposed using quasiparticles to create ultra-bright light sources, mimicking the properties of particles moving faster than light. These potential light sources could revolutionize fields like non-destructive imaging, computer chip manufacturing, and scientific research.
Researchers observed and analyzed approximately 17,000 images from the Subaru Telescope to identify 13 extensive air showers. This new method can determine individual particle types, advancing understanding of these cosmic-ray phenomena.
Researchers at Tokyo University of Science have discovered a method to generate molecular ions from an ionic crystal by bombarding it with positrons. This breakthrough could lead to new applications in materials science, cancer therapy, and quantum computing.
Researchers from Tokyo Institute of Technology have successfully tested quantum annealing on a D-Wave 2000Q quantum computer for optimizing continuous-variable functions. The study found that QA can significantly outperform state-of-the-art classical algorithms, especially when the energy barrier is high.
Researchers confirmed that antimatter falls under the influence of gravity, ruling out gravitational repulsion as a cause for its absence in the universe. The study used an antihydrogen experiment to observe individual atoms taking a downward path, providing a definitive answer to long-standing questions about antimatter's behavior.
Researchers detected nine types of polymers and one type of rubber in cloud water, confirming microplastics play a key role in rapid cloud formation. The presence of hydrophilic polymers in the atmosphere could lead to significant changes in ecological balance and severe loss of biodiversity.
Physicists from the Polish Academy of Sciences develop new theoretical tools to study collisions at extreme energies. The phenomenon is fast and involves small particles that cannot be observed directly, requiring
A research team from Tokyo University of Science has developed a novel synthesis route to produce a wide variety of sulfinate esters using readily available compounds. The new method uses thioesters, which are odorless and stable, eliminating the challenges associated with handling thiols.
Researchers developed a photoelectrochemical technique to precisely tune the lasing wavelength of microdisk lasers with subnanometric accuracy. The new approach facilitates the fabrication of micro- and nano-laser batches with precise emission wavelengths.
Scientists developed a novel technique to evaluate carbon particle dispersion in battery electrode slurries, enabling enhanced battery electrodes. The study's results show that measuring viscosity and electrochemical impedance can provide insights into dispersibility.
A new study led by Dr. Xuekun Lu has found a way to prevent lithium plating in electric vehicle batteries, which could lead to faster charging times and improve the battery's energy density. The research also reveals that refining the microstructure of the graphite electrode can minimize the risk of lithium plating.
Scientists at CUNY ASRC have shown that photons can collide and interact, allowing for new technologies to be developed. This breakthrough enables the manipulation of wave propagation, benefiting wireless communications, imaging, computing, and energy harvesting technologies.
A team at Osaka University has simulated photon-photon collisions to produce electron-positron pairs, paving the way for experimental confirmation of quantum physics theories. The simulation uses ultra-intense laser pulses and demonstrates the feasibility of creating matter solely from light.
Workers cutting, grinding, and polishing artificial-stone slabs for countertops are developing silicosis due to high concentrations of silica and polymer resins. Researchers call for public health measures, including banning the product and improving worker safety.
Researchers at Vienna University of Technology have developed a measurement method to detect individual nanoplastic particles, orders of magnitude faster than previous techniques. The new technique uses Raman scattering and an extremely fine gold grid to amplify the light signal, allowing for rapid detection even at low concentrations.
Physicists at the Institute of Nuclear Physics Polish Academy of Sciences used a unique measurement system to study elastic scattering in proton-proton collisions at 13 TeV energy. The analysis revealed important properties of nuclear strong interactions, including the increase of total cross-section with collision energy.
Researchers successfully synthesized isotopic atropisomers based on carbon isotope discrimination, exhibiting high rotational stability and stereochemical purity. The findings hold promise for fundamental understanding of isotopic atropisomers with implications in organic and medicinal chemistry.
Scientists review preparation techniques for copper matrix composites with ceramic particles, enhancing mechanical properties and thermal conductivity. The study highlights the importance of particle characterization, interfacial bonding, and advanced preparation methods to optimize composite performance.
Researchers demonstrated a 300-fold increase in electron-phonon coupling strength by reducing dimensionality, paving the way for novel engineering opportunities. The enhancement was attributed to non-local nature of coupling in synthetic SRO/STO superlattices.
Researchers have found a surprising correlation between global seismic activity and changes in cosmic radiation intensity, potentially aiding in earthquake prediction. The periodicity of this phenomenon has been identified as every 10-11 years, but its exact cause remains unknown.
Researchers have discovered that microplastics can accumulate in the nasal cavity and oropharynx, increasing the risk of respiratory diseases. The study's findings highlight the importance of awareness about microplastic exposure and its potential health impacts.
Researchers at the University of Minnesota have developed a new strategy to detect axions using particle collider experiments. By analyzing the decay product of unstable heavy particles into muons, they hope to locate and prove the existence of these hypothetical particles.
A research group led by NCKU professor I-Non Chiu conducted the first cosmological study on galaxy clusters identified by eROSITA, analyzing 550 galaxy clusters. The results suggest that Dark Energy occupies up to 76% of the total energy density in the Universe.
Researchers at the Polish Academy of Sciences propose that Higgs boson decays into exotic particles may be detectable in future lepton accelerators like CLIC and FCC. The detection would rely on observing jets of particles produced by quark-antiquark pairs, with characteristic shifts from the axis of the colliding beams.
New experiments with ultra-cold atomic gases show that quantum systems composed of many particles change over time following a sudden energy influx. The findings reveal a universality in the behavior of these systems, shedding light on how they evolve and interact.
Research reveals that soot particles in the Amazon rainforest come primarily from African bushfires, not regional fires. This discovery highlights the significant role of atmospheric transport in distributing pollutants across continents.
James Fast leads Jefferson Lab's EIC project team, focusing on the collider's design and performance baselines. The EIC will study atomic nuclei and unlock secrets of nature's strongest force.
Researchers developed a model to describe the interaction between a rocket plume and planetary surfaces, providing insights into erosion and contamination. The simulation estimates plume shape, temperature, and pressure, as well as material eroded or displaced, for safer landing sites and spacecraft design.
Researchers at Osaka Metropolitan University analyzed the collection of leptons to demonstrate that the lepton flavor mixings are large in the random mass matrix model. The study found that the measure of the matrix should obey the Gaussian distribution, which supports the experimental results for the seesaw model.
Researchers at the University of Missouri are acquiring a new transmission electron microscope (TEM) with a $800,000 grant from the National Science Foundation. The TEM will allow them to conduct experiments in real-time and gain a greater understanding of material structure at an atomic level.
Researchers at Northwestern University have discovered a surprising way to trap microparticles using the combined effects of electrostatics, hydrodynamics, and random Brownian motion. This phenomenon enables the capture of particles in complex environments, such as winding channels, and could revolutionize microfluidic applications and...
Tisca Dorsey has joined the Thomas Jefferson National Accelerator Facility as Director of Business and Finance, bringing her expertise in government operations, contracting, and finance. She will lead the lab's contracting approach and strategy, supporting its growth and expansion.
Researchers have developed nanofluidic devices to study single molecule chemical reactions in solution. These devices provide a test tube-like environment to confine individual molecules and enable high temporal resolution for investigating fast single molecule reactions. By integrating various fields using nanofluidics, scientists can...
The Vertical Test Area at Jefferson Lab achieved a record-breaking 470 superconducting radiofrequency accelerator cavity tests in 2022, driven by improvements made by operations engineer Justin Kent. This milestone demonstrates the facility's versatility and commitment to supporting cutting-edge research.
Researchers found that kilonovae, caused by neutron star collisions, produce spherical explosions with symmetrical shapes. The discovery may provide a new key to fundamental physics and measuring the Universe's age.
A review paper on quantum transport could lead to innovative materials and devices for efficient energy management at the nanoscale. The paper provides a structured overview of theoretical understanding, models, methods, and properties of quantum systems.
Scientists develop a statistical model to describe how particles of different sizes jam together, revealing a common structure that can improve spatial efficiency in various industries. The study's findings have significant implications for applications involving particulate matter, such as construction, medicine, and food manufacturing.
Researchers at Osaka Metropolitan University developed a new method to evaluate X-ray microbeam diameter using mathematical analysis, outperforming conventional methods. The uniform evaluation method is expected to be widely adopted as an international standard.
Researchers at Complexity Science Hub developed a model using physics principles to predict group sizes in humans. By analyzing social stress and homophily, they found that group sizes can be predicted with relatively small information, revealing new insights into human behavior.
Scientists successfully synthesized the elusive Λ(1405) particle and measured its complex mass, revealing a temporary bound state of a K- meson and proton. The findings may provide insights into the interior of ultra-dense neutron stars and the early formation of the Universe.
Citizen science project EEE enables students to collect and analyze data on cosmic rays, producing secondary particles that can be detected on Earth. The network of 60 detectors across Italy allows for correlations between events hundreds of kilometers apart.
Computer simulations demonstrate that chaos plays a crucial role in the emergence of thermodynamic behavior from quantum theory. A quantum system with indistinguishable particles and a thermometer-like particle shows a temperature distribution consistent with Boltzmann's rules only when the system exhibits chaos.
A new quantum algorithm allows for the direct calculation of energy derivatives, a crucial step in molecular geometry optimization, using only one query on a quantum computer. This breakthrough enables the computation of energy derivatives with respect to nuclear coordinates in a single calculation.
Researchers studying exotic atom muonium aim to detect deviations from the Standard Model, which could reveal new physics. By measuring energy levels with unprecedented precision, they may uncover evidence for additional particles or forces that explain the muon's misbehavior.
Researchers at TU Wien have directly measured the fine structure constant using a thin film that rotates light polarisation, revealing an astonishing quantum jump related to this fundamental constant. This measurement provides new insights into the strength of electromagnetic interactions.
Researchers at NIST created grids of quantum dots to study electron behavior in complex materials. The grids provided ideal conditions for electrons to behave like waves or get trapped in individual dots.
Researchers measured the half-lives of five exotic isotopes at the Facility for Rare Isotope Beams (FRIB), a DOE Office of Science user facility. The study provides fundamental information about nuclei near their limits of existence, testing models of the atomic world and advancing research in astrophysics and nuclear physics.
A team of scientists at the University of Bern's Albert Einstein Center for Fundamental Physics has successfully narrowed the scope for the existence of dark matter using a precision experiment with neutron spin clocks. The results excluded axion-like particles and set new limits on dark matter existence.
Researchers have developed a continuum theory of micro-hairs, allowing for the study of collective movements and fluid flows. The theory reveals that even random movement is unstable and leads to synchronisation, while perfect unison is also unstable, resulting in specific patterns of movement.
Researchers can now study microplankton at an individual level using holographic microscopy and AI, gaining a deeper understanding of their movement, growth, reproduction, and interactions. This breakthrough provides new insights into the ocean's oxygen production and carbon cycle.
A team led by Douglas Jerolmack and Paulo Arratia used laboratory experiments to understand how mudslide failure and flow behavior relates to soil material properties. They found a clear signal in 'dirty' samples using high-tech rheometers, shedding light on the tipping point for slope liquefaction.
Researchers assessing the environmental impact of future 'Higgs factories' propose a new figure of merit: carbon footprint per Higgs boson produced. Circular colliders emerge as a promising option due to their excellent physics capability and energy efficiency, which could significantly reduce the environmental cost.
Researchers have developed an intermetallic palladium-zinc alloy with high corrosion resistance and improved catalytic activity. The alloy's unique structure creates a protective skeletal shell around the zinc atoms, preventing leaching and increasing its durability as an electrocatalyst for ethanol oxidation reactions.
A research team from POSTECH and KAIST found that cations play a crucial role in converting CO2 into valuable chemical products like ethylene. The study reveals a new mechanism for high-performance catalytic conditions, paving the way for carbon-neutral technologies.
Achenbach, a renowned experimental physicist, will lead Jefferson Lab's Experimental Hall B, utilizing the world's most powerful accelerator to advance nuclear physics research. He aims to upgrade CEBAF and explore new experiments, including positron beams, to expand knowledge on matter and the universe.
A team of physicists has created a new way to self-assemble particles using emulsions and foldamers. This breakthrough offers promise for building complex materials at the microscopic level, with potential applications in fields like materials science.
Researchers investigate how interparticle interactions affect dynamical localization, a phenomenon where disorder brings particles to a standstill. In disordered systems with multiple interacting electrons, the system's behavior is closely analogous to that of an insulator.