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Particles of Light May Create Fluid Flow, Data-Theory Comparison Suggests

By Brookhaven National Laboratory

December 20, 2022

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A computational analysis by scientists at the U.S. Department of Energy's Brookhaven National Laboratory and Wayne State University supports the idea that photons colliding with heavy ions can create a fluid of “strongly interacting” particles.

The researchers found calculations defining such a scheme correlate with data collected by the ATLAS detector at Europe's Large Hadron Collider (LHC).

The calculations are based on the hydrodynamic particle flow observed in head-on collisions of various types of ions at the LHC and the Brookhaven Lab's Relativistic Heavy Ion Collider.

Said Brookhaven Lab's Bjoern Schenke, "For these low energy photon-lead collisions, it is important to run a full 3D hydrodynamic model (which is more computationally demanding) because the particle distribution changes more rapidly as you go out in the longitudinal direction."

From Brookhaven National Laboratory
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