Articles tagged with Experimental Physics
Physicists have developed an extremely high-precision method for magnetic field measurement, combining the accuracy of helium and cesium magnetometers. This device has an intrinsic sensitivity ideal for explaining the missing antimatter in the universe, a key area of research in fundamental physics and cosmology.
Researchers at Georgia Tech developed an algorithm to teach robots how to fall safely by determining the optimal sequence of movements to slow their momentum. The planning algorithm was validated through physics simulation and experimental testing on a humanoid robot, enabling potential applications in healthcare and domestic tasks.
David Nygren, a renowned physicist at UTA, has been awarded the Division of Particles and Fields Instrumentation Award for his pioneering work on the Time Projection Chamber. This technology has enabled accurate capture of results in high-energy particle collisions, leading to breakthroughs in particle detection and discovery.
Using ultrathin sheets, researchers have discovered a new regime of wrapped shapes that can efficiently contain toxic or corrosive liquids. The technique, which uses capillary action to wrap droplets in film, enables the creation of non-spherical shapes with minimal material waste.
A team at the University of Warsaw has developed a femtosecond laser that generates ultrashort pulses even under extreme conditions. The device uses an optical fiber to generate pulses with minimal sensitivity to external factors, making it highly dependable and suitable for industrial applications.
Researchers at Technical University of Munich develop record-breaking magnetic shielding to dampen low frequency magnetic fields, creating the weakest magnetic field in the solar system. This breakthrough enables high-precision experiments, such as measuring the electric dipole moment of neutrons.
A novel sensor technology developed by Saarland University's experimental physicists can detect vibrations caused by intruders or drones approaching a fence. The system consists of a thin cable with magnetic field sensors that provide accurate location data and automatically identify false alarms.
Researchers from University of Cologne measured vibrational transitions in CH5+ ions with high accuracy, revealing the molecule's structure. The findings confirm a simple model of five hydrogen nuclei moving freely around the carbon nucleus.
Researchers propose a new method for measuring magnetic properties of materials at atomic resolution, utilizing the phase symmetry of an electron beam. This technique enhances the magnetic signal, enabling the detection of magnetism with unprecedented precision.
Researchers have discovered a deformation of the Fermi surface in ultracold quantum gases due to anisotropic particle interactions. This deformation leads to an ellipsoidal shape, which is not spherical as predicted for isotropic interactions.
Physicist Dr David Robert Grimes has derived equations to explain how guitar techniques manipulate pitch, shedding light on string bending, vibrato, and whammy bars. His research provides insights into the physics behind iconic guitarists' sounds.
Physicists at Queen Mary University of London set up a unique pitch drop experiment to inspire students and challenge fundamental nature of solids and liquids. The experiment reveals that bitumen can flow over long time scales, contradicting common intuition.
A team of scientists at the University of Innsbruck has directly observed long-range tunneling of quantum particles through up to five potential barriers. The researchers used a gas of Cesium atoms in an engineered optical lattice, where they applied a directed force to initiate tunneling motion.
Researchers confirm existence of Efimov state, a bound state of three particles, at vast distances between particles. The state was previously elusive to prove experimentally.
Researchers at Ohio State University demonstrated that diamond wires can transmit spin, a magnetic effect that could revolutionize computing. The discovery challenges conventional methods of measuring spin dynamics and has the potential to make computers faster and more powerful.
Researchers observed 'dissipation' peaks in NbSe2 due to frictional force, related to charge density waves. Their theoretical model reproduces experimental data, shedding light on nanofriction mechanisms underlying energy losses.
Florian Schreck has received the ERC Consolidator Grant for his research on quantum many-body systems. His team will investigate new phenomena using strontium atoms, which have unique properties that allow for precise measurement and new material discoveries. This award recognizes Schreck's outstanding research results in Innsbruck.
Researchers at the BESIII experiment have observed two new charged charmonium-like states, Zc(4020) and a neutral X(3872), in high-energy collisions. These discoveries suggest the existence of a previously unknown family of four-quark objects.
Laura Bassi was a renowned physicist in the 18th century, making groundbreaking contributions to experimental physics through conversation, demonstration, experimentation, and explanation. Her work and legacy were recognized with numerous professorships and academy memberships, despite facing controversy and restrictions on her career.
MIT researchers have produced the fluidic analogue of the double-slit experiment and electron confinement in a circular corral, demonstrating remarkable accuracy in statistical behavior. This discovery offers insight into rational quantum dynamics and wave-particle duality.
Physicists at the University of Calgary successfully tested quantum mechanics on a large scale, creating a system in two substantially different states at once. This breakthrough demonstrates the application of quantum superposition principles to everyday macro objects.
Researchers at the University of Innsbruck and Complutense University of Madrid use a quantum simulator to study quantum mechanical phase transitions in many-body systems. They observe how competition between two processes takes place, leading to fragile long-range correlations between distant particles.
The Alpha Magnetic Spectrometer (AMS) collaboration has released the first published results from its experiment on the International Space Station, measuring the ratio of positrons to electrons in cosmic rays with unprecedented precision. This key finding may eventually provide evidence for the existence of dark matter.
University of Massachusetts Amherst mathematician Robert Kusner explains the observed
Scientists Scott Waitukaitis and Heinrich Jaeger report a groundbreaking study on non-Newtonian liquids, revealing the 'impact-activated solidification' process that transforms suspensions into solids under sudden impact. The experiment uses a combination of high-tech instruments to observe the phenomenon in unprecedented detail.
Physicists at the Large Hadron Collider have observed a new particle, sparking hopes that it could be the elusive Higgs boson. The discovery is based on data collected in 2011 and 2012, with more analysis expected later this year.
Southern Methodist University (SMU) physicists have designed a key component of the world's largest physics experiment at CERN. The new high-speed fiber-optic data link, supported by the US Department of Energy, will be 75 times faster than the current link, enabling scientists to analyze vast amounts of data more efficiently.
Researchers observed a split personality in dense suspensions as they formed droplets. Despite high viscosity, the particles' interactions with the liquid led to a non-viscous behavior, challenging conventional understanding of drop formation.
Researchers at the University of Chicago experimentally demonstrate quantum criticality in ultracold atoms, a phenomenon that may connect the atomic realm to deep questions of cosmology. This breakthrough could lead to simulations of the early universe by studying systems in states of quantum criticality.
An international team of physicists has detected and measured the transformation of one type of neutrino into another, a finding that may help explain the universe's matter-antimatter imbalance. The discovery was made using the Daya Bay Reactor Neutrino Experiment in southern China.
A team of researchers from Germany and the Netherlands has developed a novel material that enables the switching of spin currents at room temperature in a vertical magnetic field. This breakthrough increases storage density distinctly and has potential applications in future hard discs and non-volatile random access memory devices.
Researchers at Michigan State University's DZero team have detected a distinct Higgs-like signature that cannot be easily explained without the presence of something new. If confirmed, this finding would be a major milestone for the world physics community and validate the Standard Model.
Physicists from CDF and DZero collaborations found excesses in data that might be interpreted as coming from a Higgs boson, consistent with LHC results. The new result has a probability of being due to a statistical fluctuation at 2.2 sigma, excluding masses above 147 GeV.
Researchers at the Joint Quantum Institute create more complicated collisions between atoms using laser light, enabling the observation of high-angular-momentum scattering in long-lived atomic Bose-Einstein condensates. This innovation may facilitate the creation of exotic quantum states for practical applications like quantum computing.
Researchers at University of Illinois successfully localized quantum matter waves in three dimensions, a phenomenon theorized decades ago. The findings have implications for various electronics applications and could lead to better understanding and manipulation of materials.
Physicists at NIST achieved a record-low probability of error in quantum information processing with a single qubit, meeting theoretical requirements for building viable quantum computers. The experiment used microwaves and a copper vacuum chamber to reduce errors, achieving an error rate of 1 per 50,000 logic operations.
A team of researchers at the T2K Experiment, led by Boston University Professor Edward Kearns, have observed an indication of a new type of neutrino transformation or oscillation from a muon neutrino to an electron neutrino. This discovery may lead to further studies on matter/anti-matter asymmetry and CP violation.
The study shows that varying the shape or adjusting the inclination of the robot's head affects its movement in complex environments. By controlling the vertical motion, the robots can maneuver through debris-filled areas produced by an earthquake or landslide.
William Bertozzi, a renowned MIT professor, has been awarded the inaugural JSA Outstanding Nuclear Physicist Award for his pioneering work in experimental electromagnetic nuclear physics. The award acknowledges his leadership and innovative techniques that have advanced the field of nuclear physics.
Researchers from Kiel University have developed a new technique to record films of extremely fast processes, capturing phase transitions and catalytic reactions in solids. The technique uses ultra short flashes of light to make snapshots of electronic states, enabling new insights into relevant properties of solids.
Researchers have achieved a significant milestone by trapping 38 antihydrogen atoms for more than one-tenth of a second using the ALPHA experiment. This achievement marks a crucial step towards studying the properties of antihydrogen, which could provide insights into the universe's mysterious lack of antimatter.
The MiniBooNE experiment has confirmed the existence of a fourth flavor of neutrino, violating the fundamental symmetry of matter and antimatter. The discovery could explain the composition of the universe and potentially help resolve dark matter.
Physicists at NIST have proposed an experiment to test gravity's behavior at very close scales, where electromagnetic forces dominate. The experiment involves suspending a glass bead in a laser beam 'bottle' to measure its motion relative to nearby objects with unprecedented sensitivity.
Researchers at University of Innsbruck create one-dimensional structures in optical lattice and observe 'pinning transition' from superfluid to insulated phase. Strongly interacting atoms align regularly along wire due to repulsive interaction.
Researchers have confirmed an axiom in quantum physics by ruling out the existence of higher-order interferences experimentally. This confirms the accuracy of Born's law, a key principle in quantum mechanics that proposes interference occurs in pairs of possibilities.
A new integrated circuit, designed by Southern Methodist University physicists, can transmit data at 5.8 billion-bits per second in the Large Hadron Collider, the largest particle accelerator in Europe. The 'link-on-chip' serializer circuit is critical for the upgrade of the collider and plans to increase data speed and number of lanes.
Researchers at Max Planck Institute for the Science of Light have demonstrated that quantum particles can take both possible paths simultaneously in a random walk, leading to interference patterns and increased intensity at the edges. This breakthrough could provide new insights into statistical processes like photosynthesis.
Physicist Patrick Huber has been awarded $750,000 by the U.S. Department of Energy to research neutrinos. His work aims to better understand the role of neutrinos in cosmology, astrophysics, and elementary particle physics, with potential breakthroughs in these fields.
A recent space experiment using the Fermi Gamma Ray Space Telescope has provided evidence about the fundamental structure of space and time. The team confirmed aspects of Einstein's theories of gravity, which unite space and time in the concept of space-time.
The National Science Foundation has authorized $29.1 million for the preliminary design of DUSEL, a deep underground science and engineering laboratory in South Dakota. The facility will house experiments in physics, engineering, geoscience, and biology, shielded from cosmic rays and accessible to unique geological areas.
Scientists studying neutrino experiments aim to understand the universe's expansion, Big Bang, and potential for a 'Big Crunch.' These tiny particles' unique properties and behavior are key to unlocking fundamental physics and resolving mysteries like dark matter.
A team of physicists from Innsbruck, Austria, have proven that it is not possible to explain quantum phenomena in non-contextual terms. They used techniques designed for building a quantum computer and performed a series of measurements on a pair of laser-cooled calcium ions.
Researchers at the University of Innsbruck experimentally prove the existence of four-body loss resonances closely tied to Efimov trimer states, providing strong evidence for these new universal states. This achievement marks an important step towards simplifying laws for complex interactions in few-body physics.
A team of Iowa State physicists, including Soeren Prell, are part of an international research team testing the Kobayashi-Maskawa theory, which explains the difference between matter and antimatter. The BaBar experiment has confirmed the theory's predictions and provided insights into the universe's origins.
A team of scientists, led by Marek Pfutzner, has successfully peered closely at the radioactive decay of a rare iron isotope, shedding light on an exotic form of radioactivity. The technique used a novel combination of advanced physics equipment and digital camera technology to capture ghostly images of trajectories of emitted protons.
Princeton physicists have made the first real-time observation of low-energy solar neutrinos, confirming a long-held theory about the sun's nuclear reactions. The observation provides precise measurements of the neutrinos' energy and confirms that we understand how the sun shines.
Physicists at the University of Florida propose a redesign to improve the detection of axions, a candidate for dark matter. The new design uses Fabry-Perot cavities to produce more photons, increasing the experiment's sensitivity by a factor of 10 compared to solar-based experiments.
Researchers at Perimeter Institute outline a new aspect of Quantum Cryptography, improving the security of data transmission. The study demonstrates enhanced capabilities in quantum key distribution, paving the way for widespread adoption in secure communication networks.
Researchers use intense beam of polarized electrons to study proton structure, discovering strange quarks that pop in and out of existence. The results provide a clearer picture of how protons are held together, shedding light on the strong nuclear interaction.
Researchers at the University of Bonn have successfully built a quantum register using neutral atoms, enabling the storage and manipulation of quantum information. The achievement marks a significant milestone in the development of quantum computing, which could potentially solve complex problems beyond current computer capabilities.