Articles tagged with Strong Force
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 from RIKEN and their international collaborators used deep learning techniques to analyze unexamined nuclear emulsion data and identified a new double-Lambda hypernucleus. This is the world's first AI-assisted observation of such an exotic nucleus, providing new insight into neutron star cores.
Researchers have discovered a new 'Island of Inversion' in the most symmetric region of the nuclear chart, where protons and neutrons equal each other. This finding challenges long-held assumptions about structural inversions and provides insights into fundamental forces that bind matter together.
Scientists from the University of Kansas developed a technique to track ultra-peripheral collisions between protons and ions, resulting in the creation of gold momentarily. The discovery was made possible by studying photon-photon collisions, which are incredibly clean events with almost nothing else produced.
Robert McKeown, a distinguished service award recipient, has made significant contributions to nuclear physics over the past 50 years. He supervised 14 Ph.D. students and educated thousands of people worldwide through teaching and lecturing at prestigious institutions.
Scientists at Brookhaven National Laboratory have demonstrated that complex calculations can accurately predict the distribution of electric charges in mesons. The new predictions match measurements from low-energy experiments and extend into the high-energy regime planned for future collider experiments.
Theoretical studies predict the existence of a new family of exotic subatomic particles called beautiful-charming tetraquarks. These particles are composed of four quarks, including two beauty and charm quarks, and two light anti-quarks. The prediction arrives at a fortuitous moment, coinciding with recent discoveries in this domain.
Researchers used a nonequilibrium-statistical model to predict the stopping process of heavy ions at high LHC energies, gaining insights into original states of matter and quark-gluon plasma. Future experiments may confirm predicted stopping behavior and reveal properties of gluons.
Researchers at RHIC have observed directed flow of hypernuclei, providing insight into hyperon-nucleon interactions. The findings suggest that hypernuclei follow the same mass-scaling pattern as ordinary nuclei, implying similar nucleon-nucleon and hyperon-nucleon interactions.
Researchers have made the first-ever observations of how lambda particles, a form of strange matter, are produced by a specific process called semi-inclusive deep inelastic scattering (SIDIS). The study reveals that diquarks, pairs of quarks and gluons, can march through atomic nuclei, contributing to the formation of lambdas.
A recent experiment at Jefferson Lab has revealed the radius of the proton's mass generated by gluons, which may have shed light on the origin of its mass. The result indicates that this core has a different size than the proton's well-measured charge radius.
Physicists from Tata Institute of Fundamental Research and The Institute of Mathematical Science have predicted the existence of a deeply bound dibaryon made of two triply bottom Omega baryons. This finding elucidates strong forces in baryon-baryon interactions, potentially explaining nuclear bindings.
A South Korean research team has successfully searched for Dine-Fischler-Srednicki-Zhitnitskii (DFSZ) axion dark matter using a new experimental setup. The group achieved a higher sensitivity than existing experiments, excluding axion dark matter around 4.55 µeV at DFSZ sensitivity.
Researchers find phi mesons exhibit a clear preference for global spin alignment, contradicting conventional explanations. The results hint at the presence of local fluctuations in the strong force, which could be measured and provide new insights into this fundamental force.
Physicists propose new method to confine quarks, which could reveal why matter has mass. The strong force, a fundamental force of nature, is believed to be responsible for this property. By exploring quark confinement, researchers hope to gain insights into the structure of the universe.
The SURGE Topical Theory Collaboration aims to develop calculations and a theoretical framework for discovering the saturated state of gluons. Scientists hope to gain deeper insight into the strong force and gluons' role in generating hadron properties.
Researchers studied the strong nuclear force using nickel-64 nuclei, discovering that they change shapes under high-energy conditions. The team used advanced detectors to analyze gamma rays and particle direction, revealing two possible shapes for the nucleus: oblate and prolate.
Researchers at UNH tested state-of-the-art calculations of the strong force with an experiment probing proton spin, finding agreement with one but not the other. The findings provide a benchmark for testing the strong force and its applications in future technology.
Nuclear physicists have confirmed a bump in the data of proton structure measurements, revealing an unexplained spike in electric polarizability. The anomaly is puzzling experts, who believe it may indicate an unknown facet of the strong force at work.
A breakthrough computer model from Chalmers University of Technology reveals the properties of an atomic nucleus, providing insights into the strong force that governs neutron star behavior. The model predicts a surprisingly thin neutron skin, which could lead to increased understanding of heavy element creation in neutron stars.
Researchers at Jefferson Lab have extracted the strength of the strong force, a quantity that supports theories accounting for 99% of ordinary mass. They found that strong force coupling grows quickly before leveling off and becoming constant with increasing distance between affected bodies.
A postdoctoral researcher uses computational tools to characterize light mesons, shedding light on the strong interaction and its role in binding quarks. The study aims to improve understanding of how matter stays together and bridge the gap between experimentalists and theorists.
Scientists studying particle collisions at RHIC have identified a specific mechanism for jet quenching, where individual quarks emit gluons as they interact with the QGP. The results provide new insight into the properties of quark-gluon plasma, which filled the early universe.
Scientists have discovered a new way to visualize the inner workings of simple atomic nuclei by analyzing photon-deuteron collisions. The study reveals the arrangement of gluons within deuterons, providing insights into the strong force that binds quarks together and holds protons and neutrons apart.
Physicists at Technical University of Munich discover potential existence of tetra-neutron, a bound state of four neutrons, which could significantly alter our understanding of nuclear forces. The experiment's results suggest a half-life of 450 seconds and stability comparable to the neutron.
Scientists at Chalmers University of Technology discovered a way to create a stable resonator using two parallel gold flakes in a salty aqueous solution. The structure can be manipulated and used as a chamber for investigating materials and their behavior, with potential applications in physics, biosensors, and nanorobotics.
Researchers at RHIC's PHENIX Collaboration report new data on direct photons, revealing the potential to study gluons' transverse motion within protons. The measurements are 50 times more precise than previous data and validate the approach for future studies of proton spin and structure.
A team led by the University of Bonn has detected a triangle singularity mimicking a new particle in CERN data. The discovery provides insights into the strong interaction and its contribution to particle mass.
A new Yale University study reveals that social media platforms like Twitter amplify expressions of moral outrage over time, encouraging users to express more outrage with increased likes and shares. This finding has significant implications for leaders and policymakers who use these platforms.
Andrew Jackura, a postdoctoral researcher, aims to study the three-body problem, which explains strong nuclear interactions among three particles. He will use lattice QCD to investigate this complex phenomenon and ultimately understand how it contributes to nuclear binding.
A theoretical physicist has proved a decades-old claim that Quantum Chromo Dynamics (QCD) leads to light-weight pions, resolving the mystery of confinement. By using supersymmetry and anomaly mediation, Principal Investigator Hitoshi Murayama showed QCD indeed creates pions with extremely small mass.
Researchers observed several thousand protons in an experiment, but did not detect the tell-tale signs of color transparency. This suggests that the proton is more complicated than expected, with its predicted behavior occurring at higher energies than initially thought.
Researchers used innovative methods to calculate limits of atomic nuclei up to medium-mass nuclei, revealing new isotopes and a roadmap for verification. The study provides insights into the structure of neutron-rich nuclei and their existence, shedding light on fundamental interactions.
Researchers use radio telescopes to search for dark matter near neutron stars, with the goal of detecting the elusive axion particle. The study imposes strong limits on axion particles with masses between 5-11 micro electron-volt, a crucial step towards confirming the theory.
Researchers at TUM have developed a method to precisely measure the strong interaction between stable and unstable particles, shedding light on atomic nuclei and neutron stars. The breakthrough enables high-precision studies of the dynamics of the strong force.
The LHCb collaboration observes two structures in proton-proton collisions, suggesting the existence of four-charm tetraquark states. The narrower structure is described as a hadron state of mass about 6900 MeV/c2, denoted as X(6900). Understanding the internal structure of hadrons remains a challenge, with QCD models unable to explain...
Researchers characterized the strong nuclear force at extremely short distances, revealing a surprising transition that challenges current understanding. The findings have huge implications for neutron stars and nuclear systems as a whole.
Researchers used novel method to access space between protons and neutrons, capturing snapshots of correlations to study nuclear matter. They found that leading theories on interactions describe the strong nuclear force at short distances, with a tensor interaction at close range and a scalar interaction at smaller scales.
Researchers at TIFR use first-principles calculation to predict the existence of exotic nuclei made of six heavy quarks. The predicted nuclei are stable against strong and electromagnetic decays but can decay through weak interactions, increasing their stability with mass.
Physicists used lattice QCD and computational resources to predict quantum numbers of omega-c-zero baryons, which were later discovered by an experiment at the Large Hadron Collider. This work helps understand the nature of strong interactions, a crucial aspect of the Universe's behavior.
Scientists have observed a surprising competition between electromagnetic and neutron decay modes in a tin-133 nucleus. The discovery suggests that nuclear structure effects play a more significant role than previously thought, potentially altering our understanding of nuclear synthesis and the creation of heavy elements.
Researchers at SISSA have developed a theoretical framework to detect confinement in ferromagnetic systems by analyzing the shape of correlations between particles. The study suggests that a flask-shaped graph indicates confined particles, providing a promising tool for experimental verification.
Scientists at Brookhaven National Laboratory have measured the attractive force between pairs of antiprotons for the first time, shedding light on antimatter's existence and symmetry. The study's findings may help explain why the universe is dominated by ordinary matter and not antimatter.
A team of physicists has published a new calculation that could significantly advance the indirect search for physics beyond the Standard Model. The calculation applies to rare B meson decays, which are being studied for potential clues about undiscovered subatomic particles.
Physicists at the University of Warwick have discovered a new subatomic particle, Ds3*(2860)ˉ, which contains a charm quark and has spin 3. The discovery is expected to transform our understanding of strong interactions, one of four fundamental forces. Researchers believe that studying this particle will provide valuable insights into ...
Scientists have discovered an exotic nucleus called fluorine-14, comprising nine protons and five neutrons, which exists for a fraction of a second before releasing a proton. The team's experiments were enabled by supercomputers and advanced simulation codes, including the Universal Nuclear Energy Density Functional (UNEDF) project.
Researchers from the Belle Collaboration observed h b (pronounced h-sub-b) and h b (2P) particles in Japan's KEK particle accelerator data. This discovery will help test theories describing the strong force and provide a better understanding of the universe.
New research reveals neutron has negative charge at inner core and outer edge, with positive charge in between to balance it. The discovery changes scientific understanding of how neutrons interact with electrons and protons, with implications for the strong force and atomic nuclei.
Researchers used a supercomputer to calculate interactions among neutrons and protons from quark and gluon properties, providing insight into how nuclear forces emerge. This breakthrough paves the way for understanding how finely tuned the universe is and could reveal essential information about carbon-based life.
Researchers investigated bottom quark creation in high-energy collisions using D zero experiment data. Wijngaarden's measurements showed the angle between two bottom quarks can be smaller than predicted, indicating a more complex description of the strong nuclear force is needed.
Gross and Frank Wilczek discovered asymptotic freedom, a force that grows stronger with distance, allowing for the calculation of experiment results. This finding has implications for experiments and provides clues to new physics beyond the Standard Model.
Physicists James D. Bjorken and Curtis G. Callan have been awarded the 2004 Dirac Medal by the Abdus Salam International Centre for Theoretical Physics (ICTP) for their significant contributions to theoretical physics and mathematics, including the development of deep inelastic scattering techniques that shed light on strong interactio...
The Finuda experiment is studying the formation and decay of hypernuclei to explore the weak interaction. By analyzing the localization of lambda particles within nucleus, scientists can gain insights into the strong nuclear force.
Researchers probing strong nuclear force's nature encounter surprise at RHIC in Brookhaven, NY., where particles stream out faster from football-shaped collision tips than sides. This defies treasured boost invariance theory and complicates understanding of collisions.
Researchers have made breakthroughs in open string theory, revealing connections between five distinct versions and investigating the properties of four-dimensional D-branes. Mathematical research has demonstrated that strings can only move along specific lines or surfaces in group spaces, paving the way for further study.