Physicists at the Polish Academy of Sciences have observed 'tennis-like' vibrations in lead nuclei excited by high-energy proton collisions, a phenomenon previously seen only once over three decades ago. The researchers used advanced detectors to measure gamma quanta and confirm oscillations in the nucleus.
Physicists have measured the oscillation frequency of Bs0 mesons with unprecedented accuracy, revealing that they oscillate between matter and antimatter three trillion times per second. This measurement agrees with quantum mechanics predictions and narrows search areas for particles undescribed by the Standard Model.
Researchers discovered unexpectedly high concentrations of artificial radionuclides in cryoconite samples from the Blaisen Glacier, linked to Chernobyl and nuclear testing. The presence of organic matter from lemming populations may contribute to higher radioactivity levels.
The cryptocurrency market is maturing, with cryptocurrencies showing correlations with traditional markets, including the US stock market and commodity markets. This suggests that the market is becoming more like a commodity market, similar to gold or silver.
Scientists from the Institute of Nuclear Physics PAS discovered that medicines like painkillers can be used as makeshift emergency dosimeters due to their composition and standardization procedures. This method is more personal and easier than previous methods, which require breaking down expensive devices.
The new Gluon Exchange Model (GEM) describes protons as complex systems with virtual quark-antiquark pairs, challenging the concept of stable diquarks. GEM predicts the disintegration of diquarks in certain collisions, offering a new perspective on proton interactions.
Researchers found that certain drugs can alter cell mechanical properties without reducing effectiveness, allowing for lower doses. The study used atomic force microscopy to measure cell rigidity and actin filament activity, enabling precise determination of optimal drug concentrations.
Researchers explore the relationship between free choice, locality, and causality using Bell's inequalities. They find that reality breaks these inequalities, prompting questions about local realism and experimenters' choices.
Experiments show that photon collisions lead to excess particles, previously unexplained. Theoretical description now includes photon interactions to explain data collected from LHC and RHIC collisions.
Researchers from IFJ PAN studied the changes in titanium dioxide's surface layers under different temperatures and atmospheres, shedding light on its electronic structure and physico-chemical properties. They also recreated the process of forming the rutile phase at lower temperatures than previously thought.
The HAWC Observatory has detected photons with energies of up to 200 TeV, a hundred trillion times greater than visible light. The source of these high-energy photons was identified as a nearby cloud of interstellar material surrounding a young star cluster.
The Cygnus Cocoon is found to be the most powerful of our galaxy's known natural particle accelerators, with photons recorded from energies up to one hundred teraelectronvolts. The HAWC observatory detected this phenomenon, suggesting that protons accelerated in stellar winds could be responsible for high-energy gamma photon emission.
Researchers at the Henryk Niewodniczanski Institute of Nuclear Physics have created a flexible method to produce sol¬id, two-dimensional silica solvents, allowing for control over material properties and molecular structure. This breakthrough simplifies material design and synthesis.
The ATLAS experiment at the LHC has observed the creation of particle pairs from interacting photons, a unique and rare process. The detection was made possible by the AFP spectrometers, which track protons slightly deflected from the main beam, providing insight into the physics of high-energy collisions.
Scientists found two secondary minima in the potential energy landscape of nickel-64, corresponding to oblate and prolate ellipsoidal shapes. The prolate one is deep and well-isolated, leading to a prolonged trapping time, unlike heavy nuclei.
Researchers found that surface mechanical attrition treatment improves magnesium's corrosion resistance, making it suitable for biocompatible implants. The process reduces the rate of decomposition and increases the material's strength.
The study found that bitcoin and ethereum exhibited strong correlations with traditional financial instruments during the pandemic, indicating their integration into the market. Cryptocurrencies behaved like reliable financial instruments, losing their safe-haven status but remaining stable.
An international team of physicists has analyzed comprehensive data from over a dozen subatomic experiments to investigate right-handed neutrinos. The analysis reveals significant challenges in detecting these particles, but also suggests a possible connection to dark matter.
Researchers confirmed the need to include three-nucleon interactions in electromagnetic transitions, using state-of-the-art gamma-ray detectors and femtosecond lifetimes measurements. The experiment found significant differences in lifetime predictions between two-body and three-body nuclear interactions.
Scientists designed a functional ternary Pt/Re/SnO2/C catalyst, which exhibits more than ten times higher activity in the ethanol oxidation reaction compared to commercial platinum catalysts. The new catalyst features improved stability and is suitable for use as an anode material in direct ethanol fuel cells.
Researchers from the Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences successfully create tensile and inhomogeneous quantum rings in a controlled manner. The work involves trapping ultracold atoms in optical lattices and modifying interaction between atoms to mimic superconductors.
Scientists investigated how dynamic magnetic properties of individual molecular magnets change with orientation in a magnetic field. They found strong anisotropy, which is crucial for building functional quantum computer components.
Researchers found a collective resonance in 11B that explains the mysterious β-delayed proton decay of the neutron halo ground state of 11Be. The resonance has features similar to a nearby proton emission channel, suggesting that it may be involved in a quasi-free decay process.
Scientists have uncovered low-energy waves in magnetite that indicate the importance of electronic interactions with the crystal lattice. The discovery reveals the trimeron order in magnetite has elementary excitations with very low energy, absorbing radiation in the far-infrared region.
Researchers explore whether intuition on interaction is justified in quantum mechanics. They show that entangled states can be generated without direct contact using the fundamental indistinguishability of particles.
Researchers successfully separate and observe single-molecule magnets (SMMs) on a magnetically neutral silica substrate using transmission electron microscopy. This breakthrough enables the development of auto-associative memories and multi-criterion optimization systems, mirroring the human brain.
Scientists have developed a new method to record extremely fast processes using X-ray lasers. By harnessing the random nature of these pulses, they can now create images with precisely controlled parameters. This breakthrough enables the study of non-linear effects and chemical reactions.
Researchers verified predictions of particles beyond standard physics, improving restrictions on theories explaining B meson decay anomalies. The analysis used artificial intelligence to eliminate background data and narrowed the area for searching for new physics.
Researchers at the Henryk Niewodniczanski Institute of Nuclear Physics have created a new model to simulate the flow of magnetic waves through magnonic crystals. This breakthrough allows for better control over the material's properties, which is crucial for applications in spintronics and electronics.
Scientists developed a simple method for producing nanometer-sized corundum with high porosity at room temperature. The process involves milling a powder in a ball mill for a few hours, resulting in thermodynamically stable nanoparticles. This breakthrough reduces energy and costs associated with traditional production methods.
Scientists from the Institute of Nuclear Physics have found that high-energy collisions produce 'forward-directed' jets, which require accounting for saturation and Sudakov effect. The researchers took into consideration two previously known phenomena to describe the production of these jets accurately.
The CREDO project combines data from various detectors, including smartphone cameras, to study the impact of cosmic radiation on health and potential relationships between earthquakes and cosmic ray flux. Researchers aim to verify hypotheses about these phenomena.
Researchers developed a new model to study complex defects in silicon carbide crystals, explaining their characteristics on an atomic scale. The work provides a qualitative understanding of the impact of edge dislocations on material properties.
Researchers have found that lithium fluoride crystals can detect tracks of heavy ions with high energies, including iron. The crystals work like photographic film and can accurately reproduce the path of a particle.
Researchers have successfully created molecular nanocages with unprecedented properties using gold atoms as a binding agent. The gold-bonded cages exhibit chemical and thermal stability while being sensitive to acidity, making them ideal for biomedical applications such as targeted drug delivery.
Scientists from the Polish Academy of Sciences analyzed mountain ranges worldwide and found a universal similarity in their structure. The analysis showed that the distribution of ridges and valleys follows a power-law nature, with most nodes having low degree and few hubs having high degree.
Physicists have confirmed the existence of 'fire streaks' in proton-proton collisions, a phenomenon initially proposed as a theoretical structure. The analysis suggests that the matter arising from these collisions behaves similarly to the fire streaks of quark-gluon plasma.
Researchers estimate the amount of negative pressure in liquid crystals confined in nanopores using a new method. The results show that increasing pressure slows down molecular mobility, while narrower channels increase it.
Researchers create statistical tool for stylometric analysis using graphs, finding that individuality manifests itself in surprisingly small number of words. The method identifies authors correctly in almost 90% of cases, requiring only 10-12 words to be traced in English texts.
An international team of physicists has failed to detect the charged Higgs boson in a recent analysis, but found evidence that limits new theories. The search for the particle focused on masses between 90 gigaelectronvolts and 2000 gigaelectronvolts.
A Polish-German team of physicists has described the dynamic phenomena occurring at the interface between a ferromagnetic metal and a semiconductor, filling the 'thermal' gap in material knowledge. The study used computational models to simulate atomic vibrations and showed that the interface exhibits unique patterns.
Researchers from the Institute of Nuclear Physics analyze the S&P 500 index and predict a catastrophic financial meltdown in up to a dozen years. The Hurst exponent, which measures system susceptibility to change, has been steadily falling below 0.5 since 2008.
Some physicists argue that spacetime may emerge from processes closer to reality, such as quarks and hadrons. The concept of spacetime has puzzled humanity for millennia, with some theories suggesting it's a dynamic creation while others propose it's an absolute arena for events.
Researchers build systems reproducing quantum predictions with classical models, suggesting a boundary for 'true' quantum phenomena beyond single-particle interactions. Quantum entanglement remains an unexplained mystery.
The CREDO project, a global particle detector using smartphones, has started collecting scientific data. Researchers have detected deviations from expected distributions in the raw data, which may indicate interactions between high-energy particles and space-time.
The HAWC observatory has identified spectacular details of the processes responsible for high-energy radiation in microquasar SS 433. This is a rare opportunity to observe the object in detail, as its jets are directed almost perpendicular to our line of sight.
Researchers observed anomalies in decays of beauty mesons, which may be signs of new physics beyond the Standard Model. The inclusion of long-distance effects increased the significance of these findings, reaching a 6.1 sigma value.
Researchers from the Institute of Nuclear Physics found no anomalies in a rare decay of charmed baryons, potentially indicating 'new physics' is not present. They improved an upper limit on frequency by up to 100 times, but are still far from detecting any inconsistencies with predictions.
A team of scientists presents a new model explaining the effects of quantum spin on relativistic flows of quark-gluon plasma, which can flow at speeds close to light. The model considers the conservation of momentum and takes into account the spin polarization of particles.
Physicists from Cracow and Kielce predict that alpha clusters, made up of two protons and two neutrons, exist in light nuclei. Experimental physicists can detect these clusters using high-energy accelerators.