The LHC is back delivering collisions to the experiments after the successful leak repair in August. But instead of protons, it is now the turn of lead ion beams to collide, marking the first heavy-ion run in five years.
General Physics
Sep 28, 2023
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17
The initial phases of heavy-ion collisions occurring at the maximum energies available at the CERN Large Hadron Collider continue to remain an enigma of modern nuclear physics. New theoretical tools improved by physicists ...
General Physics
Sep 14, 2023
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16
Scientists can use powerful colliders to smash atomic nuclei together to create a quark-gluon plasma (QGP). This "soup" of quarks and gluons, some of the fundamental building blocks of matter, filled the early universe. Tracking ...
Quantum Physics
Aug 10, 2023
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7
In the Large Hadron Collider (LHC), proton and lead beams travel close to the speed of light. They carry a strong electromagnetic field that acts like a flux of photons as the beam moves through the accelerator. When the ...
General Physics
Jul 14, 2023
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109
New measurements of how particles flow from collisions of different types of particles at the Relativistic Heavy Ion Collider (RHIC) have provided new insights into the origin of the shape of hot specks of matter generated ...
General Physics
Jun 27, 2023
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83
Using some of the world's most powerful supercomputers, a group of theorists has produced a major advance in the field of nuclear physics—a calculation of the "heavy quark diffusion coefficient." This number describes how ...
General Physics
Jun 7, 2023
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77
The building blocks of atomic nuclei are protons and neutrons, which are themselves made of even more fundamental particles: quarks and gluons. These particles interact via the strong force, one of the four fundamental forces ...
Plasma Physics
Jun 5, 2023
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1084
Physicists analyzing data from gold ion smashups at the Relativistic Heavy Ion Collider (RHIC), a U.S. Department of Energy (DOE) Office of Science user facility for nuclear physics research at DOE's Brookhaven National Laboratory, ...
General Physics
Jun 2, 2023
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469
To study atomic nuclei and subatomic particles, scientists use the Large Hadron Collider (LHC) to collide heavy ions—atomic nuclei completely stripped of their surrounding electrons. In these collisions, the quarks and ...
General Physics
Apr 14, 2023
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78
The universe began about 14 billion years ago with a single point that contained a vast array of fundamental particles, according to the prevailing theory known as the Big Bang. Under the pressure of extreme heat and energy, ...
General Physics
Apr 13, 2023
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