Sea Quark Spin Surprise!
Antiquark spin contribution to proton spin depends on flavor, which could help unlock secrets about the nuclear structure of atoms that make up nearly all visible matter in our universe.
Antiquark spin contribution to proton spin depends on flavor, which could help unlock secrets about the nuclear structure of atoms that make up nearly all visible matter in our universe.
First direct measurement show how heavy particles containing a charm quark get caught up in the flow of early universe particle soup.
Particle flow patterns suggest even small-scale collisions create drops of early universe quark-gluon plasma.
The size of a nucleus appears to influence the direction of certain particles emitted from collisions with spinning protons.
Swirling soup of matter’s fundamental building blocks spins ten billion trillion times faster than the most powerful tornado, setting new record for “vorticity.”
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.
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.
Nuclear physicists colliding football- and sphere-shaped ions discover evidence supporting a paradigm shift in the birth of the quark-gluon plasma.
Antiproton pairs generated in high-energy heavy-ion collisions interact with a strong attractive force.
RHIC physicists discover key evidence for a long-debated phenomenon in particle collisions.