Physicist Dr Melvin Vopson's latest experiment aims to detect and measure information in elementary particles using particle-antiparticle collision. If successful, it could confirm information as the fifth state of matter, changing our understanding of the universe.
A pioneering study of LGBT+ experiences in physics finds that women, trans people, and those from marginalized groups face high rates of harassment and exclusionary behaviors. The study highlights the need for support and equity across institutions to retain LGBT+ physicists.
Researchers discovered that bacteria suppress membrane protein transport in response to stress, using alarm hormones to regulate the process. This allows the microorganisms to slow down their cellular processes and recover when conditions become more favorable.
Scientists from Carleton College and the University of Colorado Boulder present discussions and activities on DEI as a fundamental part of physics training. Instructors can design their own lessons using individual reflection activities or lead class discussions.
Using 1D kinematics, students calculate the winner of a 193 million year-old race between Usain Bolt and Dilophosaurus wetherilli. Newton's second law helps Bolt leverage his acceleration to win by 2 seconds.
Researchers demonstrated plasma acceleration at megahertz repetition rates, opening doors to boosting particle energy with plasma accelerator modules as booster stages. The recovery time of the plasma wave was found to be approximately 70 nanoseconds.
A new drag model for powder-particle spouted beds has been developed and tested, achieving higher accuracy in simulating the desulfurization process. The model's structure-activity relationship has been shown to improve predictions of particle velocity, water vaporization rates, and mass fractions.
A new study from Durham University and Kings College London presents a theoretical review strongly supporting the search for axion dark matter. Axions are proposed as a possible explanation for why the strong interaction obeys time reversal symmetry, a fundamental aspect of the Standard Model of particle physics.
Neutrinos, produced by astrophysical sources and artificial means, interact subtly with matter due to their chargelessness and masslessness. The study of neutrinos challenges our understanding of particle physics, particularly the phenomenon of neutrino oscillation, where particles transition between three flavours.
The Virginia Innovative Traineeships in Accelerators (VITA) program is accepting students, providing a regional workforce development pipeline and increasing minority participation in STEM careers. Students will gain hands-on experience in particle accelerator technology, operations, and research and development.
The KATRIN experiment has achieved a new upper limit on neutrino mass of 0.8 eV, entering the cosmologically and particle-physically important sub-eV mass range. This is the first time that a direct neutrino mass experiment has reached this sensitivity.
The study reveals that particles can behave as bosons in one region and fermions in another, leading to striking phenomena like particle trapping or fragmentation. This discovery opens up a window to engineer and control new kinds of collective motion in the quantum world.
A team of physicists from the University of Bonn and TU Darmstadt has developed a method to analyze proton radius data from older and more recent experiments, revealing no difference between the values. This suggests protons are about 5% smaller than previously assumed.
An international team of scientists conducted the first experiment to explore magnetic monopoles using the Large Hadron Collider. They set reliable limits on the mass of magnetic monopoles and excluded their existence for lighter particles. The findings provide new constraints on the properties of possible magnetic monopoles.
Researchers at the University of Manchester observed the Schwinger effect using graphene-based devices, producing particle-antiparticle pairs from a vacuum. They also discovered an unusual high-energy process where electrons became superluminous, providing an electric current higher than allowed by general rules.
Tamás Hausel and Nigel Hitchin develop a new theory on Higgs bundles, connecting combinatorial, differential, and algebraic geometry to particle physics. The theory provides insight into the representation theory of Lie groups and could lead to new insights in mathematical physics.
A physicist at Lancaster University has suggested an alternative approach to calculate radiation reaction, which has sparked controversy. The proposed method considers the effects of many charged particles on each other's fields, rather than self-interaction, leading to new insights into energy and momentum conservation.
A study by Cornell researchers found that men and women's preferences for engagement and leadership are remarkably similar. The team suggests that instructors can play a larger role in ensuring more equity in lab groups, which could correct the well-documented disparities in physics labs.
Researchers used aircraft data and Ka-band radar to analyze microphysical properties of cumulus clouds. High liquid-water-content regions showed little variation in cloud droplet concentration, while strong updrafts increased particle sizes.
MIT physicists detected a hybrid particle composed of an electron and phonon, with a bond 10 times stronger than known hybrids. The discovery could enable scientists to manipulate material properties through dual control, leading to new magnetic semiconductors and ultra-efficient electronics.
Scientists at RIKEN have found that matter and antimatter respond to gravity in the same way, within an accuracy of four times more precise than previous measures. This suggests that causality and locality hold in relativistic quantum field theories, potentially leading to new physics.
Researchers discovered a new type of free-electron radiations, namely surface Dyakonov-Cherenkov radiation, which enhances photon emission and reduces interaction length in miniaturized Cherenkov detectors. The technology offers improved accuracy for detecting particle trajectories.
A new study reveals the sophisticated mechanism by which adenoviruses infect human cells and transfer foreign DNA into their nucleus. Protein V plays a crucial role in increasing the virus particle's stability and preventing premature DNA release, which triggers an anti-viral alarm system.
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.
The University of California, Riverside, has been awarded a $980,000 grant from the Department of Energy to develop an AI-driven detector for the future Electron-Ion Collider. The team will use machine learning techniques to optimize detector design and achieve 'co-design,' a new concept in nuclear physics.
Scientists develop novel trapping method to measure extremely small forces using a hairdryer-balloon setup, detecting femtoNewton-range forces without laser-particle contact. This approach has significant implications for the life sciences and beyond.
A team of researchers proposes detecting Q-balls in gravitational waves, which could explain the Big Bang's matter-anti-matter asymmetry. If successful, it would confirm a theory on why more matter was left over after the universe's first second.
The BESIII experiment has searched for new physics in the charm energy region using various methods, including rare processes and decays. So far, no signs of new physics have been found, but the results impose stringent constraints on some new physics models.
Researchers have successfully created an experimental model of a skyrmion particle in a beam of light, providing a real system to demonstrate the behavior of this elusive type of fundamental particle. The study reveals the intricate structure and topological properties of skyrmions, which can be distorted but not broken.
Researchers have discovered a way to harness hot helium ash to drive rotation in fusion reactors, reducing instabilities and turbulence. By capturing the energy of hot fusion ash via alpha channeling, plasma rotation can be stabilized, leading to improved performance and reduced operating costs.
Researchers have made a significant advance in shrinking the size of particle accelerators by using intense lasers and plasmas. They demonstrated functional equivalent of a confining metal tube waveguide, generating plasma waveguiding of up to 300-terawatt laser pulses, and accelerating electrons up to 5 GeV over a distance of only 20 cm.
The study applies deductive reasoning and particle physics principles to establish a common framework for aging research. This framework could benefit the field by providing a shared understanding of aging's complex processes, allowing researchers to design longevity interventions.
A new study from the University of Eastern Finland introduces an electric soot collector that achieves a 45% fine particle reduction efficiency in logwood-fired masonry heaters. The technology uses natural charges of flames to collect particles, but further optimization is needed for higher reduction efficiencies.
Researchers used 3D particle simulations to model energetic-particle radiation, which could aid in protecting space assets. The study revealed underlying mechanisms controlling particle acceleration during magnetic reconnection events.
Researchers at the University of Groningen have successfully trapped molecules of strontium fluoride, setting a new record for molecular trapping. This achievement is significant because it allows scientists to investigate the fundamental laws of the universe, including the asymmetry between matter and anti-matter.
A $3.7 million multicampus grant will train 32 graduate students in high-energy physics instrumentation, addressing a long-standing workforce training deficit in the field. The program, led by UC Davis, aims to prepare students for careers in academia, industry, or national laboratories.
Researchers used particle-based flow simulations to model social distance and its impact on pedestrian flow dynamics. The study found that even modest densities can cause large-scale 'traffic jams,' highlighting the need for nuanced policies in public spaces.
Brookhaven Lab particle physicist Kétévi Assamagan has been elected as an APS Fellow for his significant contributions to the Standard Model Higgs boson research. He is also recognized for leading physics outreach programs, including founding the African School of Fundamental Physics and Applications.
Two researchers at Jefferson Lab, Todd Satogata and Paul Reimer, have been selected as 2021 APS Fellows for their outstanding contributions to nuclear physics. They were recognized for their work on particle accelerator science and research on the structure of the proton.
Two small-scale experiments, a quantum dark matter detector and a particle accelerator, aim to detect sterile neutrinos. If successful, they could improve cancer treatment by producing radioactive isotopes.
Liquid marbles' unique hydrophobic outer layer allows for faster evaporation than bare water droplets due to particle-particle and liquid-particle interactions. The team's mathematical model accurately predicts evaporation behavior, providing insights into these tiny biological structures.
An international team of scientists, led by Professor Owen Long, explored supersymmetry as an extension of the Standard Model. They conducted experiments at the Large Hadron Collider and found no signs of supersymmetric particles, but their null result is still a significant scientific progress.
The PHAse Space MApping experiment, a complex plasma physics research project at WVU, aims to study the motion of ions and electrons in plasmas. The facility can measure three-dimensional motion at very small scales and is capable of performing detailed measurements.
Researchers from FAU and TU Darmstadt have developed a method to control electron pulses over long distances using 'alternating phase focusing', which can be used to guide electrons in three dimensions. The technology has the potential to miniaturize particle accelerators, making them more efficient and powerful.
Researchers investigate light smashups to create new physics beyond the Standard Model, building on previous discoveries that matter can be generated from light. The study reveals implications for understanding primordial plasma and the strong force.
Researchers developed a mathematical model to predict the angle of repose of sand hills, which is influenced by particle size and gravity. The model was validated using simulations and has potential applications in space exploration, additive manufacturing, and planetary science.
Scientists propose EicC to investigate quark and gluon contributions to nucleon spin and mass, as well as novel multi-particle dynamics. The recently released white paper outlines physics goals, detector design, and accelerator specifications.
A team of researchers from Boston College has created a new metallic specimen where electron motion flows in a fluid-like manner, fundamentally changing particle-like to hydrodynamic dynamics. The discovery confirms theoretical predictions and opens up new possibilities for material exploration and potential applications.
Researchers from University of Science and Technology of China have quantified the critical particle distance to inhibit metal sintering in catalysts. The study found that adjusting particle spacing can significantly impact sintering, with PMC dominant at short distances and OR dominant at long distances.
Researchers will examine mentorship, leadership development, and career opportunities beyond academia to cultivate physics identity and belonging for women in physics. The project aims to identify ways to keep more women in physics and address the male-dominated field.
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 team from the Institute for Basic Science used entangled photons to test wave-particle duality and complementarity. They confirmed that source purity is tightly bounded by entanglement with remaining degrees of freedom, and analyzed visibility and predictability in a double-path interferometer.
Researchers from the University of Vienna and TU Wien have successfully controlled a large glass sphere's motion at the quantum level using control engineering methods. The experiment, published in Nature, demonstrates the potential for combining quantum physics and control engineering to enable more precise experiments.
A global shortage of women in physics is being addressed by over 300 physicists from 50+ countries at the International Union of Pure and Applied Physics conference. Key findings include low female representation in physics education and research globally, but encouraging trends in some countries like Iran and the Netherlands.
Researchers demonstrate a novel measurement paradigm dubbed Robust Weak Measurement, measuring an anomalous weak value with a single photon detection event. The team obtains an observable with eigenvalues in the range [-7,7] and reports a weak value of the pre- and postselected system on which a single-click measurement was performed.
Scientists at Tel Aviv University developed a nanotechnology that transforms transparent calcite into a sparkling gold-like particle. The new material can serve as a platform for innovative cancer treatments and offers a biofriendly delivery of optical resonances, enabling multifunctionality in biomedical systems.
Researchers from the University of Pittsburgh have developed a new particle-free silver microgrid conductor that surpasses traditional indium tin oxide (ITO) in flexible high-performance transparent electrodes. The microgrids demonstrate better transparency, lower roughness, and mechanical durability.
Laser physicists have built the first compact two-stage plasma-based accelerator, accelerating particles to near-light speed within a few millimeters. The hybrid plasma accelerator has shown more than three orders of magnitude higher acceleration fields than conventional accelerators.
The NUCLEUS-2021 conference will cover various topics in nuclear physics, including atomic nuclei, nuclear reactions, modern methods and technologies, relativistic nuclear physics, and more. The results of the conference will be published in two Springer journals.
Researchers discovered a new efficient pathway for creating natural aerosols and clouds that contribute significantly to temperature increases in the Antarctic region. The study shows that increased concentrations of sulphuric acid and alkylamines are essential for particle formation around the northern Antarctic Peninsula.