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New theoretical contribution helps examine the internal rotation of the proton

DOE/US Department of Energy

The quark Sivers function describes much of the physics of how quarks are distributed in a proton whose rotation is perpendicular to its direction of motion. This function shows whether more quarks in the proton move to the right than to the left of the plane created by the proton’s velocity and the direction of the proton’s rotation (spin) axis. Scientists have found a new theoretical contribution to the Sivers function of the quarks carrying a small fraction of the proton’s momentum.

Journal: Journal of High Energy Physics

Scientists directly measure a key reaction in neutron star binaries

DOE/US Department of Energy

X-ray bursts occur on the surface of a neutron star as it absorbs material from a companion star. This absorption initiates a cascade of thermonuclear reactions that create atoms of heavy chemical elements on the surface of a neutron star. Researchers have directly measured one of these reactions, finding it to be four times higher than the previous direct measurement.

Journal: Physical Review Letters

Researchers build an atomic-level model of oxidization on the surface of tantalum film

DOE/US Department of Energy

Tantalum superconducting material shows great promise for making qubits. When an oxide layer forms on the surface of tantalum, it can lead to quantum decoherence. In this study, researchers used scanning transmission electron microscopy (STEM) and computer modeling to investigate the structure of superconducting tantalum film. This helped them build an atomic-level understanding of the crystalline lattice of tantalum metal and the oxide that forms on its surface.

Journal: ACS Nano

The National Virtual Climate Laboratory is your guide to climate science

DOE/US Department of Energy

Thunderstorms in the American Midwest. Tiny particles in the cloud cover of the Amazon rainforest. Heat waves in Baltimore. What do these very different places have in common? They’re all areas where the Department of Energy Office of Science Biological and Environmental Research (BER) program is supporting climate research. You can also find information about all of them on the National Virtual Climate Laboratory (NVCL).

DOE’s Office of Science Graduate Student Research Program selects 86 outstanding US graduate students

DOE/US Department of Energy
Grant and Award Announcement

The Department of Energy’s (DOE’s) Office of Science has selected 86 graduate students representing 31 states and Puerto Rico for the Office of Science Graduate Student Research (SCGSR) program’s 2023 Solicitation 2 cycle. Through world-class training and access to state-of-the-art facilities and resources at DOE national laboratories, SCGSR prepares graduate students to enter jobs of critical importance to the DOE mission and secures our national position at the forefront of discovery and innovation.

New method could explore gluon saturation at the future electron-ion collider

DOE/US Department of Energy

Exploring the gluon saturation in large nuclei is one of the major goals of the future Electron-Ion Collider. New research proposes a novel method to probe the onset of gluon saturation by measuring the nucleon energy-energy correlation in deep inelastic scattering. This result leads to a comprehensive approach to study the universal behavior of gluon saturation.

Journal: Physical Review Letters

New beta-decay measurements in mirror nuclei pin down the weak nuclear force

DOE/US Department of Energy
Peer-Reviewed Publication

Scientists have gained insights into the weak nuclear force from new, more sensitive studies of the beta decays of the “mirror” nuclei lithium-8 and boron-8. The weak nuclear force drives the process of nuclear beta decay. The research found that the properties of the beta decays of lithium-8 and boron-8 are in perfect agreement with the predictions of the Standard Model.

Journal: Physical Review Letters

DOE to support 1,073 outstanding undergraduate students and 113 faculty members from institutions underrepresented in the scientific research enterprise

DOE/US Department of Energy
Grant and Award Announcement

The Department of Energy’s (DOE’s) Office of Science will sponsor the participation of 1,073 undergraduate students and 113 faculty members in three STEM-focused workforce development programs at 17 DOE national laboratories and a national fusion facility during Summer 2024. Collectively, these programs ensure DOE and our nation have a strong, sustained workforce trained in the skills needed to address the energy, environment, and national security challenges of today and tomorrow.

Department of Energy announces $16 million for traineeships in accelerator science & engineering

DOE/US Department of Energy
Grant and Award Announcement

Today, the U.S. Department of Energy (DOE) announced $16 million in funding for four projects providing classroom training and research opportunities to train the next generation of accelerator scientists and engineers needed to deliver scientific discoveries.

Soil bacteria link their life strategies to soil conditions

DOE/US Department of Energy

Microbiologists do not fully understand how bacteria’s genes relate to their life strategies. Now, by analyzing large DNA sequencing datasets from around the globe, researchers discovered a new way of categorizing the dominant life strategies of soil bacteria based on their genes. This technique allowed the researchers to link different life strategies with specific climate and soil conditions.

Journal: Nature Microbiology

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