Feature Channels: Nuclear Physics

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In a new study from Argonne and the University of Illinois at Chicago, researchers have found a way to convert carbon dioxide into a usable energy source.

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The American Physical Society (APS) on Monday honored the Holifield Radioactive Ion Beam Facility, located at the Department of Energy's Oak Ridge National Laboratory, as an APS Historic Physics Site.

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No single assessment tool is able to consistently determine driving ability in people with Alzheimer's disease and mild cognitive impairment, a St. Michael's Hospital research review has found.

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For the first time, researchers at the University of Basel in Switzerland have coupled the nuclear spins of distant atoms using just a single electron. Three research groups took part in this complex experiment, the results of which have now been published in the journal Nature Nanotechnology.

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After their work simulating the calcium-48 nucleus, a team led by ORNL’s Gaute Hagen continued its work by moving to a larger, heavier, and more complex isotope—calcium-52—and the results surprised the researchers once again.

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Soon to be deployed at Oak Ridge National Laboratory is an experiment to explore new physics associated with neutrinos.

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Certain heavy barium nuclei have long been predicted to exhibit pear-like shapes. Scientists demonstrated the existence of this exotic shape by taking advantage of breakthroughs in the acceleration of radioactive beams and new detector technologies.

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New data from collisions of protons indicate that gluons, glue-like particles that bind the inner building blocks of each proton, play a substantial role in determining the proton’s spin, or intrinsic angular momentum.

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Two isotopes of a new element with atomic number 117 were created by an international collaboration.

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A new collaboration takes aim at understanding how the ultra-hot, ultra-dense plasma that formed our early universe gets its intriguing properties.

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You may have known lithium from its role in rechargeable batteries, but did you know it may be a vital in fusion reactors? These reactors require walls that don’t sputter out metals or overly cool the plasma at the heart of the reaction. Researchers showed that lithium-coated walls can handle heat.

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By more completely capturing the dynamics of plasma turbulence across an unprecedented range of spatial and temporal scales, researchers have reproduced experimental levels of heat loss observed experimentally where they previously could not.

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Researchers are investigating a new material that might help in nuclear fuel recycling and waste reduction by capturing certain gases released during reprocessing more efficiently than today’s technology. The metal-organic framework captures gases at ambient temperature, eliminating an energy-intensive step.

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Researchers are investigating a new material that might help in nuclear fuel recycling and waste reduction by capturing certain gases released during reprocessing. Conventional technologies to remove these radioactive gases operate at extremely low, energy-intensive temperatures. By working at ambient temperature, the new material has the potential to save energy, make reprocessing cleaner and less expensive. The reclaimed materials can also be reused commercially.

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Scientists used X-rays to discover what creates one butterfly effect: how the microscopic structures on the insect’s wings reflect light to appear as brilliant colors to the eye.

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Click to visit the DOE Office of Science channel

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Article describes winners of the 2016 Landau-Spitzer Award and the nature of their research.

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A team of researchers has successfully demonstrated a new method for producing a beam of polarized positrons, a method that could enable a wide range of applications and research, such as improved product manufacturing and polarized positron beams to power breakthrough scientific research.

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While it's possible to study explosives, sans explosives, new techniques involving high-speed, high-fidelity imaging with optical filtering and signal processing techniques have recently made setting off explosives and capturing the data in real-time a reasonable alternative to developing a new simulation. Researchers report their findings this week in the journal Review of Scientific Instruments.

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Major Leap Toward a 'Perfect' Quantum Metamaterial, Seismic Response of Fiber-Reinforced Concrete. and more in the Material Science Channel

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This article provides an overview of some of the highlights from Jefferson Lab’s open house, held in Newport News, Va., on April 30, 2016.

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click to visit the Physics Channel

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Researchers have demonstrated proof of concept for a novel low-energy nuclear reaction imaging technique designed to detect the presence of “special nuclear materials” – weapons-grade uranium and plutonium – in cargo containers arriving at U.S. ports.

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Researchers used neutrons to uncover novel behavior in materials that holds promise for quantum computing. The findings provide evidence for long-sought phenomena in a two-dimensional magnet.

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Article describes successful test of liquid lithium limiter on China's EAST tokamak.

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Researchers at Oak Ridge National Laboratory wanted to find out if it was possible to make a molecule that could selectively bind to metal cations in the middle of the lanthanide series. The team provided a proof-of-principle.

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UPTON, NY—The proton sounds like a simple object, but it's not. Inside, there's a teeming microcosm of quarks and gluons with properties such as spin and "color" charge that contribute to the particle's seemingly simplistic role as a building block of visible matter. By analyzing the particle debris emitted from collisions of polarized protons at the Relativistic Heavy Ion Collider (RHIC), scientists say they've found a new way to glimpse that internal microcosm.

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Scientists have developed a device that enables NMR spectroscopy, coupled with a powerful molecular sensor, to analyze molecular interactions in viscous solutions and fragile materials such as liquid crystals. In a first, their method allows the sensor, hyperpolarized xenon gas, to be dissolved into minute samples of substances without disrupting their molecular order.

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Article describes possible new paradigm for inertial confinement fusion technique.

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'Four-Flavored' Tetraquark, Planets Born Like Cracking Paint, New 2D Materials, The World's Newest Atom-Smasher in the Physics News Source sponsored by AIP.

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University of Saskatchewan researchers working to protect the environment from oil and mining contamination and improve nuclear power technology have received a $1.5 million boost from the Natural Sciences and Engineering Research Council of Canada (NSERC).

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Research led by St. Jude Children’s Research Hospital has advanced understanding of how the nucleolus is assembled through a process called liquid-liquid phase separation and has identified a protein that plays key role.

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The planned Deep Underground Neutrino Experiment will require 70,000 tons of liquid argon, making it the largest experiment of its kind — 100 times larger than the liquid-argon particle detectors that came before it. Before building this unprecedented machine, scientists understandably want to make sure it’s going to work. That’s why members of the international DUNE collaboration recently began taking data using a test version of their detector.

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Researchers designed a way to radiochemically harvest long-lived radioisotopes at the future Facility for Rare Isotope Beams.

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An international team that includes researchers from the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) has captured the most precise—and puzzling—energy measurements yet of ghostly particles called reactor antineutrinos produced at a nuclear power complex in China.

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Scientists at the U.S Department of Energy's (DOE) Brookhaven National Laboratory and Stony Brook University have discovered a new way to generate very low-resistance electric current in a new class of materials. The discovery, which relies on the separation of right- and left-"handed" particles, points to a range of potential applications in energy, quantum computing, and medical imaging, and possibly even a new mechanism for inducing superconductivity--the ability of some materials to carry current with no energy loss.

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The Sylvia Fedoruk Canadian Centre for Nuclear Innovation will invest $2-million to support research at the Johnson Shoyama Graduate School of Public Policy (JSGS) at the University of Regina (U of R) and the University of Saskatchewan (U of S).

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Almost every particle has an antimatter counterpart: a particle with the same mass but opposite charge, among other qualities. But certain characteristics of neutrinos and antineutrinos make scientists wonder: Are they one and the same? Are neutrinos their own antiparticles?

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Machine learning software designed by a Brown computer scientist is helping the Comprehensive Nuclear-Test-Ban Treaty Organization monitor the globe for evidence of nuclear tests.

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The international collaborators of the ALPHA-2 experiment have measured the charge of antihydrogen to be zero with the greatest precision yet, narrowing the possibilities of where a difference between hydrogen and its antimatter counterpart could be found.

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In just a little over a year of operation, the U.S. Department of Energy Ames Laboratory’s dynamic nuclear polarization (DNP) solid-state nuclear magnetic resonance (NMR) spectrometer has successfully characterized materials at the atomic scale level with more speed and precision than ever possible before.

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This piece describes five leading scientific and engineering PPPL accomplishments of the past year.

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Thanks to a new experimental technique, scientists have now measured a crucial fusion reaction, involving hydrogen and a rare isotope of oxygen, that occurs inside stars.

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Eight scientists have shared the 2015 John Dawson Award for Excellence in Plasma Physics Research for an experiment that used the world’s most powerful X-ray laser to create and probe 3.6-million-degree matter in a controlled way for the first time.

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Scientists at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) have produced self-consistent computer simulations that capture the evolution of an electric current inside fusion plasma without using a central electromagnet, or solenoid.