Science Highlights

Illustration of Jefferson Lab's CEBAF Large Acceptance Spectrometer (CLAS), along with an event reconstructed from the data.Science Highlight

Spin and Parity Measurements of the Elusive Lambda(1405) Particle

First description of common particle’s properties provides insights into the nature of the universe. Read More »

The CEBAF Large Acceptance Spectrometer in Jefferson Lab’s Hall B was used to carry out the experiment.Science Highlight

Protons Hog the Momentum in Neutron-Rich Nuclei

New research could change our view of neutron stars and other systems with neutron-rich nuclei. Read More »

The Heavy Flavor Tracker being installed in the heart of the STAR detector at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory.Science Highlight

STAR Heavy Flavor Tracker Detects Signs of Charm at RHIC

New detector component picks up particles composed of heavy quarks to probe primordial quark-gluon plasma. Read More »

Research scientist conducting the “wet chemisty” astatine-211 isolation procedure within a charcoal-filtered glovebox.Science Highlight

Improving the Availability of the Therapeutic Radionuclide Astatine-211

Investigators at the University of Washington have developed methods that consistently provide high production and recovery yields of astatine-211. Read More »

Vasilii Petrenko of the University of Rochester processing ice cores on Taylor Glacier, Antarctica.Science Highlight

Radiokrypton Dating Identifies Ancient Antarctic Ice

Researchers count the number of radioactive krypton-81 atoms remaining in ice using a laser trap. Read More »

The new beamline connecting the Continuous Electron Beam Accelerator Facility accelerator to its newest experimental area, Hall D, was christened with beam on May 7.Science Highlight

New Science on the Horizon as Upgraded Particle Accelerator Meets Commissioning Milestones

The recently upgraded CEBAF accelerator delivers its highest-energy electron beams into a new experimental complex for the first time. Read More »

Difference between calculated and experimentally measured masses of oxygen isotopes as a function of mass number.Science Highlight

Streamlining the Nuclear Force

An optimized nuclear force model yields a high-precision interaction with an unexpected descriptive power. Read More »

Exotic neutron-rich nuclei and new states of matter expected to exist inside neutron stars play a role in interpreting observed cooling in accreting neutron stars.Science Highlight

Nuclear Theory Helps Forecast Neutron Star Temperatures

Advances in theory have made it possible to predict cooling behavior observed in accreting neutron stars. Read More »

Selenium (grey allotrope): a micronutrient essential for the human body.Science Highlight

Growing the Tool Box for Medical Imaging: The Selenium-72/Arsenic-72 Generator

Researchers from Los Alamos National Laboratory and the University of Missouri have designed a new source of a valuable imaging isotope. Read More »

The Q-weak experiment at Jefferson Lab precisely measured the weak force's hold on the proton.Science Highlight

Q-weak Experiment Determines Proton's Weak Charge

Scientists make the first experimental determination of the weak charge of the proton and extract the weak charges of the neutron and up and down quarks. Read More »