A new high-power green-light laser generates beam-cooling electrons at the Relativistic Heavy Ion Collider.
Scientists discover new signposts in the quest to determine how matter from the early universe turned into the world we know today.
Researchers demonstrate a new technique for producing polarized positrons that could improve manufacturing and lead to new discoveries.
A new method detects residual contaminants in ultra-pure helium gas, critical to nuclear physics experiments.
Studies of the neutrinos emitted in the radioactive decay of nuclei held in an ion trap allow sensitive searches for new interactions.
Using fast particles to probe hot matter in nuclear collisions.
New data that "wimpy" gluons, the glue-like particles that bind quarks within protons, have a big impact on proton spin.
Cutting-edge experiment with a beam of radioactive barium ions provides direct evidence of nuclear pear-shape deformation.
Antiproton pairs generated in high-energy heavy-ion collisions interact with a strong attractive force.
Nuclear physicists colliding football- and sphere-shaped ions discover evidence supporting a paradigm shift in the birth of the quark-gluon plasma.
First mixed matter/anti-matter probe aims to solve decade-old proton puzzle.
RHIC physicists discover key evidence for a long-debated phenomenon in particle collisions.
