The observation of a resonance in the beryllium-11 nucleus suggests that the proton emission from beryllium-11 is a two-step process rather than a dark matter decay channel.
Category: DOE Science News
DOE science news, Department of Energy, Office of Science US gov.
Victor M. Zavala: Then and Now / 2012 Early Career Award Winner
Through scalable algorithms and improvements to software, Victor M. Zavala is optimizing the nation’s energy infrastructure and managing network problems.
Deep Learning Uses Stream Discharge to Estimate Watershed Subsurface Permeability
Researchers used deep learning methods to estimate the subsurface permeability of a watershed from readily available stream discharge measurements.
Unveiling the Existence of the Elusive Tetraneutron
Experiments confirm the NUCLEI collaboration’s predictions of the existence of the tetraneutron.
Smashing Heavy Nuclei Reveals Proton Size
Theoretical study exploits precision of new heavy ion collision data to predict how gluons are distributed inside protons and neutrons
Deep Matters: Microbes’ Sensitivity to Environmental Change Depends on Soil Depth
Research finds that the effects of drought and wildfire on soil bacterial communities fade in deeper soils.
The Building Blocks for Exploring New Exotic States of Matter
Combining synthesis, characterization, and theory confirmed the exotic properties and structure of a new intrinsic ferromagnetic topological material.
Record-Breaking Radiation Detection Pins Down Element Formation in Stellar Novae
A weak proton emission following beta decay constrains the formation of elements in stellar nova explosions and determines their peak temperature.
Breakthrough Reported in Machine Learning-Enhanced Quantum Chemistry
Scientists develop a new learning method that incorporates quantum chemistry descriptions with conventional machine learning to predict the properties of biochemical molecules.
Innovative FRIB Liquid-Lithium Charge Stripper Boosts Accelerator Performance
The Facility for Rare Isotope Beams has demonstrated an innovative liquid-lithium charge stripper to accelerate unprecedentedly high-power heavy-ion beams.
Urban Integrated Field Laboratories Will Equitably Address a Critical Scientific Knowledge Gap
The new Urban IFLs will address the lack of data about urban environments in climate science and help inform climate and clean energy solutions.
Nuclear Cauldrons: Studying Star Burning with Radioactive and Neutron Beams
Using Earth-based particle accelerators, scientists measure the reactions that take place in stars to produce carbon.
Uncovering the Atomic Mechanism Underpinning Heat Transport in Thermoelectric Materials
Neutrons reveal remarkable atomic behavior in thermoelectric materials for more efficient conversion of heat into electricity.
Tracking Jets in Hot Quark Soup Reveals a Mechanism of ‘Quenching’
The results may offer insight into the quark-gluon plasma—the hot mix of fundamental nuclear-matter building blocks that filled the early universe.
Scientists Take Control of Magnetism at the Microscopic Level
Studies of the nanostructure of a chiral magnet provides insights on controlling magnetic properties for applications in computers and other electronics.
Tiny Chip-Based Device Performs Ultrafast X-Ray Manipulation
New optics-on-a-chip device paves the way to helping characterize fast chemical, material, and biological processes.
Real-Time Evaluation of Residual Strain Improves 3-D Printed Metal Parts
Neutron scattering monitors structures during post-production heat treatment to validate production models.
Superatomic Magnetic Cluster Opens the Door to New Nanomaterials
Unusual filling of different sub-shells due to quantum confinement leads to a stable superatom that is also highly magnetic.
Excitons Need Space to Separate: Free Carrier Production in Organic Solar Cells
Short and long-range electron transfer compete to determine free-charge yield in organic semiconductors.
Understanding the Secrets of Photosynthesis in the Shade
Researchers discover key details of how to drive photosynthesis in the shade by studying far-red light acclimation in cyanobacteria.
Machine Learning Reveals Hidden Components of X-Ray Pulses
Neural networks determine the amplitude and phase of X-ray pulses, enabling new, high-resolution quantum studies.
Catching a Glimpse of the Reactive Intermediates in Water in a Trillionth of a Second
Scientists capture the short-lived hydroxyl-hydronium pair and the induced dynamic response in ionized liquid water in unprecedented detail.
Seeing Double for Better Solar Cells
Using two methods is better than one when it comes to observing how solar cells form and improving cell properties.
Novel Method Examines the Gas-Liquid Interface in New Detail
Novel molecular beam scattering apparatus that uses a liquid flat jet can study chemical reactions at the gas liquid interface of volatile liquids.
‘Shining’ Light on the Inner Details and Breakup of Deuterons
Photon-deuteron collisions offer insight into the gluons that bind the building blocks of matter—and what it takes to break protons and neutrons apart.
First Atomic View of a Quantum Electronic Device in Operation
Discovery of a short-lived state could lead to faster and more energy-efficient computing devices.
Real-Time Diagnostics for Better Engines
Scientists map atomic-level changes in the components of a running internal combustion engine using neutron techniques.
More Genome Copies in Switchgrass Linked to More Climate Flexibility and Adaptation
Varieties of switchgrass with different numbers of genome copies use different strategies in adapting to changes in climate and location.
Scientists Capture a ‘Quantum Tug’ Between Neighboring Water Molecules
Ultrafast electrons shed light on the web of hydrogen bonds that gives water its strange properties, vital for many chemical and biological processes.
Céline Bonfils : Then and Now / 2012 Early Career Award Winner
At Lawrence Livermore National Laboratory, physicist Céline Bonfils studies how human activities influence climate change.
‘Extreme’ Plants Grow Faster in the Face of Stress
Comparative genomics reveals physical differences in how a stress hormone regulates growth in plants that can survive extreme environmental conditions.
Sizing Up Special Light to Downsize Particle Accelerators
Measuring the shape of intense bursts of terahertz light paves the way for future accelerator technologies.
Investigating the Dynamics that Reshape Permafrost Environments
Monitoring data find that small spatial differences in snow cover, vegetation, and other factors shape how permafrost thaws.
Watching Plant Roots Grow in a Transparent Simulated Soil
The rhizosphere-on-a-chip offers an easier way to study a plant’s influence underground.
Converting Methane to Methanol—With and Without Water
Studies of a common catalyst suggest strategies for improving the conversion of a natural gas component to useful chemicals.
A New Approach Produces a 90-Fold Increase in Known Viral Taxa
Researchers leverage viruses identified from worldwide environmental samples to expand knowledge of viral taxa and their role in tree microbiomes.
Fuel-Cell Waste Reduction Goes Platinum
Understanding platinum degradation could reduce waste and lower cost of a promising green technology, hydrogen fuel cells.
At the Frontier: DOE Supercomputing Launches the Exascale Era
U.S. scientists and collaborators have a powerful new instrument at their disposal—the world’s first exascale supercomputer.
Fixing Spinal Cord Injuries With ‘Dancing Molecules’
Paralyzed mice “walk” again after new treatment created with the aid of the Advanced Photon Source.
Strengthening the Supply Chain for Scientific Tools
DOE Office of Science report examines challenges and mitigations for research facilities
How Buildings Contribute to Urban Heating during Heat Waves
A bottom-up approach quantifies the contributions of human-caused heating from building energy use during extreme heat events.
How Can Changes to Urban Neighborhoods and Buildings Affect Microclimates and Energy Use?
Computational work uses a Chicago neighborhood to understand and quantify climate effects on building energy use from changes in urban design.
Capturing Biogeochemical Details in River Corridor Models
A new way of representing river-groundwater exchanges paves the way for next-generation river network modeling.
Not Just Pollen in the Spring: Wild Grass Releases a Variety of Particles into the Air
Researchers find that fungal spores are most abundant during initial growth, while bacteria predominate during flowering and fruit development.
Oxygen Formation in the Light of Gamma Beams
Precision measurements on the oxygen formation in stellar helium burning use gamma-beams and a Time Projection Chamber.
For Plasma with a Hot Core and Cool Edges, Super-H Mode Shows Promise
Leveraging peeling physics in current tokamaks improves fusion performance and integrates with exhaust solutions for future fusion reactors.
Researchers Stick Out Their Necks to Understand How Fusion Plasmas Fuel Up
The novel Lyman-alpha Measurement Apparatus (LLAMA) measures neutral particles in a fusion device and the fueling they provide.
Artificial Intelligence Agents Argue to Enhance the Speed of Materials Discovery
Using an ensemble of artificial intelligence (AI) agents enabled faster, more accurate data analysis of synchrotron x-ray data.
How Does Drizzle Form? Machine Learning Improves Models of these Processes
Machine Learning offers New Insights and New Parameterization for the path from Drizzle Drops to Warm Rain
Recycling Greenhouse Gases with Biotechnology
Biological production of acetone and isopropanol by gas fermentation captures more carbon than it releases.