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Nuclear physicists have found a new way to use the Relativistic Heavy Ion Collider (RHIC) to see the shape and details inside atomic nuclei. The method relies on particles of light that surround gold ions as they speed around the collider and a new type of quantum entanglement that’s never been seen before.

Physicists, engineers, and technicians at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory are rounding out the year with key developments to a house-sized particle detector that will begin capturing collision snapshots for the first time next spring.

Scientists in the STAR collaboration at the Relativistic Heavy Ion Collider (RHIC) have published a comprehensive analysis aimed at determining which factors most influence fluctuations in the flow of particles from heavy ion collisions. The results will help the scientists zero in on key properties of a unique form of matter that mimics the early universe.

A new computational analysis by theorists at Brookhaven National Laboratory and Wayne State University supports the idea that photons (a.k.a. particles of light) colliding with heavy ions can create a fluid of “strongly interacting” particles. In a new paper, they show that calculations describing such a system match up with data collected by the ATLAS detector at Europe’s Large Hadron Collider (LHC).

Scientists at Brookhaven National Laboratory will participate in a new Topical Theory Collaboration to explore the behavior of so-called “heavy flavor” particles. These particles are made of quarks of the “charm” and “bottom” varieties, which are heavier and rarer than the “up” and “down” quarks that make up the protons and neutrons of ordinary atomic nuclei. By understanding how these exotic particles form, evolve, and interact during powerful particle collisions, scientists will gain a deeper understanding of a unique form of matter that filled the early universe.

A new Topical Theory Collaboration to be led by Brookhaven National Laboratory will aid in the discovery and exploration of a saturated state of gluons. These aptly named particles carry the nuclear strong force, acting as the ‘glue’ that holds together quarks, the building blocks of all visible matter. By understanding gluons’ ability to split and recombine and potentially reach a state of saturation, scientists hope to gain deeper insight into the strong force and the role gluons play in generating the mass, spin, and other properties of the building blocks of atomic nuclei.

The International Committee for Future Accelerators (ICFA) recently recognized the contributions Radeka has made in the field of instrumentation, as well as his role as a leader, with the 2022 ICFA Instrumentation Award.

A team of scientists led by chemists at the U.S. Department of Energy’s Brookhaven National Laboratory and Pacific Northwest National Laboratory has unraveled the complex chemical mechanisms of a battery component that is crucial for boosting energy density: the interphase.

Scientists at Brookhaven National Laboratory helped measure how unpaired electrons in atoms at one end of a molecule can drive chemical reactivity on the molecule’s opposite side. As described in a paper recently published in the Journal of the American Chemical Society, this work, done in collaboration with Princeton University, shows how molecules containing these so-called free radicals could be used in a whole new class of reactions.

ree early-career professionals at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory had the opportunity to connect with Nobel laureates, discuss pressing global issues, and explore historic Kyoto, Japan at the 19th annual meeting of the Science and Technology in Society (STS) forum.