STAR detector has a new inner core

For scientists tracking the transformation of protons and neutrons—the components of atomic nuclei that make up everything we see in the universe today—into a soup of fundamental building blocks known quark-gluon plasma, ...

The early universe was a fluid quark-gluon plasma

Scientists from the Niels Bohr Institute, University of Copenhagen, and their colleagues from the international ALICE collaboration recently collided xenon nuclei, in order to gain new insights into the properties of the ...

Small, short-lived drops of early universe matter

What was matter like moments after the Big Bang? Particles emerging from the lowest energy collisions of small particles with large heavy nuclei at the Relativistic Heavy Ion Collider (RHIC) could hold the answer. Scientists ...

When fluid flows almost as fast as light—with quantum rotation

Quark-gluon plasma is formed as a result of high-energy collisions of heavy ions. After a collision, for a dozen or so yoctoseconds (10-24 seconds), this most perfect of all known fluids undergoes rapid hydrodynamic expansion ...

A very special run for the LHCb experiment

For the first time, the LHCb experiment at CERN has collected data simultaneously in collider and in fixed-target modes. With this, the LHCb special run is even more special.

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