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, ...

A colorful look at fast-flying particles

The strong nuclear force is one of the four fundamental forces of nature, along with the electromagnetic, gravitational and weak nuclear forces. The branch of particle physics that deals with the strong nuclear force is called ...

Key magnet installed at sPHENIX detector

After years of careful planning, crews at the U.S. Department of Energy's Brookhaven National Laboratory installed an enormous superconducting magnet that will be the centerpiece of the sPHENIX detector. sPHENIX is an ongoing ...

How 'sticky' is dense nuclear matter?

Colliding heavy atomic nuclei together creates a fluidlike soup of visible matter's fundamental building blocks, quarks and gluons. This soup has very low viscosity—a measure of its "stickiness," or resistance to flow.

STAR Detector on the move

How long does it take to roll a twelve-hundred-ton detector one hundred feet? In late August, it took 10 hours for the STAR detector to roll from its regular spot in the interaction region of the Relativistic Heavy Ion Collider ...

Electron bunches keep ions cool at RHIC

Accelerator physicists have demonstrated a groundbreaking technique using bunches of electrons to keep beams of particles cool at the Relativistic Heavy Ion Collider (RHIC)—a U.S. Department of Energy Office of Science ...

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